1279783953

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^2\times {\mathrm{127}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 2278029312

約数和(自身を除く): 998245359

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 97, 119, 127, 153, 291, 357, 381, 679, 873, 889, 1071, 1143, 1649, 2037, 2159, 2667, 4947, 6111, 6477, 8001, 9409, 11543, 12319, 14841, 15113, 19431, 28227, 34629, 36957, 45339, 65863, 84681, 86233, 103887, 110871, 136017, 159953, 197589, 209423, 258699, 479859, 592767, 628269, 776097, 1119671, 1194943, 1439577, 1465961, 1884807, 3359013, 3584829, 4397883, 8364601, 10077039, 10754487, 13193649, 20314031, 25093803, 60942093, 75281409, 142198217, 182826279, 426594651, 1279783953]

約数ペア:

[(1, 1279783953), (3, 426594651), (7, 182826279), (9, 142198217), (17, 75281409), (21, 60942093), (51, 25093803), (63, 20314031), (97, 13193649), (119, 10754487), (127, 10077039), (153, 8364601), (291, 4397883), (357, 3584829), (381, 3359013), (679, 1884807), (873, 1465961), (889, 1439577), (1071, 1194943), (1143, 1119671), (1649, 776097), (2037, 628269), (2159, 592767), (2667, 479859), (4947, 258699), (6111, 209423), (6477, 197589), (8001, 159953), (9409, 136017), (11543, 110871), (12319, 103887), (14841, 86233), (15113, 84681), (19431, 65863), (28227, 45339), (34629, 36957)]