27556875

素因数分解:

$3^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 80

約数和(自身を含む): 53982720

約数和(自身を除く): 26425845

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 71, 75, 115, 125, 135, 207, 213, 225, 345, 355, 375, 575, 621, 625, 639, 675, 1035, 1065, 1125, 1633, 1725, 1775, 1875, 1917, 2875, 3105, 3195, 3375, 4899, 5175, 5325, 5625, 8165, 8625, 8875, 9585, 14375, 14697, 15525, 15975, 16875, 24495, 25875, 26625, 40825, 43125, 44091, 44375, 47925, 73485, 77625, 79875, 122475, 129375, 133125, 204125, 220455, 239625, 367425, 388125, 399375, 612375, 1020625, 1102275, 1198125, 1837125, 3061875, 5511375, 9185625, 27556875]

約数ペア:

[(1, 27556875), (3, 9185625), (5, 5511375), (9, 3061875), (15, 1837125), (23, 1198125), (25, 1102275), (27, 1020625), (45, 612375), (69, 399375), (71, 388125), (75, 367425), (115, 239625), (125, 220455), (135, 204125), (207, 133125), (213, 129375), (225, 122475), (345, 79875), (355, 77625), (375, 73485), (575, 47925), (621, 44375), (625, 44091), (639, 43125), (675, 40825), (1035, 26625), (1065, 25875), (1125, 24495), (1633, 16875), (1725, 15975), (1775, 15525), (1875, 14697), (1917, 14375), (2875, 9585), (3105, 8875), (3195, 8625), (3375, 8165), (4899, 5625), (5175, 5325)]