8200125

素因数分解:

$3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 15258672

約数和(自身を除く): 7058547

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 185, 197, 225, 333, 375, 555, 591, 925, 985, 1125, 1665, 1773, 2775, 2955, 4625, 4925, 7289, 8325, 8865, 13875, 14775, 21867, 24625, 36445, 41625, 44325, 65601, 73875, 109335, 182225, 221625, 328005, 546675, 911125, 1640025, 2733375, 8200125]

約数ペア:

[(1, 8200125), (3, 2733375), (5, 1640025), (9, 911125), (15, 546675), (25, 328005), (37, 221625), (45, 182225), (75, 109335), (111, 73875), (125, 65601), (185, 44325), (197, 41625), (225, 36445), (333, 24625), (375, 21867), (555, 14775), (591, 13875), (925, 8865), (985, 8325), (1125, 7289), (1665, 4925), (1773, 4625), (2775, 2955)]