12796875

素因数分解:

$3^2\times 5^6\times 7^1\times {\mathrm{13}}^1$

素因数の和:56

約数の個数: 84

約数和(自身を含む): 28437136

約数和(自身を除く): 15640261

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 125, 175, 195, 225, 273, 315, 325, 375, 455, 525, 585, 625, 819, 875, 975, 1125, 1365, 1575, 1625, 1875, 2275, 2625, 2925, 3125, 4095, 4375, 4875, 5625, 6825, 7875, 8125, 9375, 11375, 13125, 14625, 15625, 20475, 21875, 24375, 28125, 34125, 39375, 40625, 46875, 56875, 65625, 73125, 102375, 109375, 121875, 140625, 170625, 196875, 203125, 284375, 328125, 365625, 511875, 609375, 853125, 984375, 1421875, 1828125, 2559375, 4265625, 12796875]

約数ペア:

[(1, 12796875), (3, 4265625), (5, 2559375), (7, 1828125), (9, 1421875), (13, 984375), (15, 853125), (21, 609375), (25, 511875), (35, 365625), (39, 328125), (45, 284375), (63, 203125), (65, 196875), (75, 170625), (91, 140625), (105, 121875), (117, 109375), (125, 102375), (175, 73125), (195, 65625), (225, 56875), (273, 46875), (315, 40625), (325, 39375), (375, 34125), (455, 28125), (525, 24375), (585, 21875), (625, 20475), (819, 15625), (875, 14625), (975, 13125), (1125, 11375), (1365, 9375), (1575, 8125), (1625, 7875), (1875, 6825), (2275, 5625), (2625, 4875), (2925, 4375), (3125, 4095)]