156978218439

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{601}}^1\times {\mathrm{4261}}^1$

素因数の和:5021

約数の個数: 72

約数和(自身を含む): 266168207760

約数和(自身を除く): 109189989321

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 417, 441, 601, 973, 1251, 1803, 2919, 4207, 4261, 5409, 6811, 8757, 12621, 12783, 20433, 29449, 29827, 37863, 38349, 61299, 83539, 88347, 89481, 208789, 250617, 265041, 268443, 584773, 592279, 626367, 751851, 1754319, 1776837, 1879101, 2560861, 4093411, 4145953, 5262957, 5330511, 7682583, 12280233, 12437859, 17926027, 23047749, 29021671, 36840699, 37313577, 53778081, 87065013, 125482189, 161334243, 261195039, 355959679, 376446567, 1067879037, 1129339701, 2491717753, 3203637111, 7475153259, 17442024271, 22425459777, 52326072813, 156978218439]

約数ペア:

[(1, 156978218439), (3, 52326072813), (7, 22425459777), (9, 17442024271), (21, 7475153259), (49, 3203637111), (63, 2491717753), (139, 1129339701), (147, 1067879037), (417, 376446567), (441, 355959679), (601, 261195039), (973, 161334243), (1251, 125482189), (1803, 87065013), (2919, 53778081), (4207, 37313577), (4261, 36840699), (5409, 29021671), (6811, 23047749), (8757, 17926027), (12621, 12437859), (12783, 12280233), (20433, 7682583), (29449, 5330511), (29827, 5262957), (37863, 4145953), (38349, 4093411), (61299, 2560861), (83539, 1879101), (88347, 1776837), (89481, 1754319), (208789, 751851), (250617, 626367), (265041, 592279), (268443, 584773)]