210026817

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 440832000

約数和(自身を除く): 230805183

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 27, 33, 39, 57, 63, 77, 91, 99, 117, 133, 143, 171, 189, 209, 231, 247, 273, 297, 351, 399, 409, 429, 513, 627, 693, 741, 819, 1001, 1197, 1227, 1287, 1463, 1729, 1881, 2079, 2223, 2457, 2717, 2863, 3003, 3591, 3681, 3861, 4389, 4499, 5187, 5317, 5643, 6669, 7771, 8151, 8589, 9009, 11043, 13167, 13497, 15561, 15951, 19019, 23313, 24453, 25767, 27027, 31493, 37219, 39501, 40491, 46683, 47853, 54397, 57057, 58487, 69939, 73359, 77301, 85481, 94479, 101023, 111657, 121473, 143559, 163191, 171171, 175461, 209817, 256443, 283437, 303069, 334971, 409409, 489573, 513513, 526383, 598367, 707161, 769329, 850311, 909207, 1004913, 1111253, 1228227, 1468719, 1579149, 1795101, 2121483, 2307987, 2727621, 3333759, 3684681, 5385303, 6364449, 7778771, 10001277, 11054043, 16155909, 19093347, 23336313, 30003831, 70008939, 210026817]

約数ペア:

[(1, 210026817), (3, 70008939), (7, 30003831), (9, 23336313), (11, 19093347), (13, 16155909), (19, 11054043), (21, 10001277), (27, 7778771), (33, 6364449), (39, 5385303), (57, 3684681), (63, 3333759), (77, 2727621), (91, 2307987), (99, 2121483), (117, 1795101), (133, 1579149), (143, 1468719), (171, 1228227), (189, 1111253), (209, 1004913), (231, 909207), (247, 850311), (273, 769329), (297, 707161), (351, 598367), (399, 526383), (409, 513513), (429, 489573), (513, 409409), (627, 334971), (693, 303069), (741, 283437), (819, 256443), (1001, 209817), (1197, 175461), (1227, 171171), (1287, 163191), (1463, 143559), (1729, 121473), (1881, 111657), (2079, 101023), (2223, 94479), (2457, 85481), (2717, 77301), (2863, 73359), (3003, 69939), (3591, 58487), (3681, 57057), (3861, 54397), (4389, 47853), (4499, 46683), (5187, 40491), (5317, 39501), (5643, 37219), (6669, 31493), (7771, 27027), (8151, 25767), (8589, 24453), (9009, 23313), (11043, 19019), (13167, 15951), (13497, 15561)]