61171875

素因数分解:

$3^3\times 5^7\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 64

約数和(自身を含む): 117187200

約数和(自身を除く): 56015325

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 135, 145, 225, 261, 375, 435, 625, 675, 725, 783, 1125, 1305, 1875, 2175, 3125, 3375, 3625, 3915, 5625, 6525, 9375, 10875, 15625, 16875, 18125, 19575, 28125, 32625, 46875, 54375, 78125, 84375, 90625, 97875, 140625, 163125, 234375, 271875, 421875, 453125, 489375, 703125, 815625, 1359375, 2109375, 2265625, 2446875, 4078125, 6796875, 12234375, 20390625, 61171875]

約数ペア:

[(1, 61171875), (3, 20390625), (5, 12234375), (9, 6796875), (15, 4078125), (25, 2446875), (27, 2265625), (29, 2109375), (45, 1359375), (75, 815625), (87, 703125), (125, 489375), (135, 453125), (145, 421875), (225, 271875), (261, 234375), (375, 163125), (435, 140625), (625, 97875), (675, 90625), (725, 84375), (783, 78125), (1125, 54375), (1305, 46875), (1875, 32625), (2175, 28125), (3125, 19575), (3375, 18125), (3625, 16875), (3915, 15625), (5625, 10875), (6525, 9375)]