20161792107

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:698

約数の個数: 128

約数和(自身を含む): 34473600000

約数和(自身を除く): 14311807893

約数列:

[1, 3, 9, 17, 19, 27, 41, 51, 57, 113, 123, 153, 171, 323, 339, 369, 459, 499, 513, 697, 779, 969, 1017, 1107, 1497, 1921, 2091, 2147, 2337, 2907, 3051, 4491, 4633, 5763, 6273, 6441, 7011, 8483, 8721, 9481, 13243, 13473, 13899, 17289, 18819, 19323, 20459, 21033, 25449, 28443, 36499, 39729, 41697, 51867, 56387, 57969, 61377, 76347, 78761, 85329, 88027, 109497, 119187, 125091, 161177, 169161, 184131, 229041, 236283, 255987, 264081, 328491, 347803, 357561, 388721, 483531, 507483, 552393, 708849, 792243, 958579, 985473, 1043409, 1071353, 1166163, 1450593, 1496459, 1522449, 2126547, 2311867, 2376729, 2875737, 3130227, 3214059, 3498489, 4351779, 4489377, 6608257, 6935601, 8627211, 9390681, 9642177, 10495467, 13468131, 18213001, 19824771, 20806803, 25881633, 28926531, 39301739, 40404393, 43925473, 54639003, 59474313, 62420409, 117905217, 131776419, 163917009, 178422939, 353715651, 395329257, 491751027, 746733041, 1061146953, 1185987771, 2240199123, 6720597369, 20161792107]

約数ペア:

[(1, 20161792107), (3, 6720597369), (9, 2240199123), (17, 1185987771), (19, 1061146953), (27, 746733041), (41, 491751027), (51, 395329257), (57, 353715651), (113, 178422939), (123, 163917009), (153, 131776419), (171, 117905217), (323, 62420409), (339, 59474313), (369, 54639003), (459, 43925473), (499, 40404393), (513, 39301739), (697, 28926531), (779, 25881633), (969, 20806803), (1017, 19824771), (1107, 18213001), (1497, 13468131), (1921, 10495467), (2091, 9642177), (2147, 9390681), (2337, 8627211), (2907, 6935601), (3051, 6608257), (4491, 4489377), (4633, 4351779), (5763, 3498489), (6273, 3214059), (6441, 3130227), (7011, 2875737), (8483, 2376729), (8721, 2311867), (9481, 2126547), (13243, 1522449), (13473, 1496459), (13899, 1450593), (17289, 1166163), (18819, 1071353), (19323, 1043409), (20459, 985473), (21033, 958579), (25449, 792243), (28443, 708849), (36499, 552393), (39729, 507483), (41697, 483531), (51867, 388721), (56387, 357561), (57969, 347803), (61377, 328491), (76347, 264081), (78761, 255987), (85329, 236283), (88027, 229041), (109497, 184131), (119187, 169161), (125091, 161177)]