80578125

素因数分解:

$3^3\times 5^6\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 56

約数和(自身を含む): 149998080

約数和(自身を除く): 69419955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 191, 225, 375, 573, 625, 675, 955, 1125, 1719, 1875, 2865, 3125, 3375, 4775, 5157, 5625, 8595, 9375, 14325, 15625, 16875, 23875, 25785, 28125, 42975, 46875, 71625, 84375, 119375, 128925, 140625, 214875, 358125, 421875, 596875, 644625, 1074375, 1790625, 2984375, 3223125, 5371875, 8953125, 16115625, 26859375, 80578125]

約数ペア:

[(1, 80578125), (3, 26859375), (5, 16115625), (9, 8953125), (15, 5371875), (25, 3223125), (27, 2984375), (45, 1790625), (75, 1074375), (125, 644625), (135, 596875), (191, 421875), (225, 358125), (375, 214875), (573, 140625), (625, 128925), (675, 119375), (955, 84375), (1125, 71625), (1719, 46875), (1875, 42975), (2865, 28125), (3125, 25785), (3375, 23875), (4775, 16875), (5157, 15625), (5625, 14325), (8595, 9375)]