68720757

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1801}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 110714880

約数和(自身を除く): 41994123

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1801, 1817, 5403, 5451, 12607, 12719, 37821, 38157, 41423, 124269, 142279, 289961, 426837, 869883, 995953, 2987859, 3272417, 9817251, 22906919, 68720757]

約数ペア:

[(1, 68720757), (3, 22906919), (7, 9817251), (21, 3272417), (23, 2987859), (69, 995953), (79, 869883), (161, 426837), (237, 289961), (483, 142279), (553, 124269), (1659, 41423), (1801, 38157), (1817, 37821), (5403, 12719), (5451, 12607)]