64771875

素因数分解:

$3^2\times 5^5\times 7^2\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 108

約数和(自身を含む): 138928608

約数和(自身を除く): 74156733

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 49, 63, 75, 105, 125, 141, 147, 175, 225, 235, 245, 315, 329, 375, 423, 441, 525, 625, 705, 735, 875, 987, 1125, 1175, 1225, 1575, 1645, 1875, 2115, 2205, 2303, 2625, 2961, 3125, 3525, 3675, 4375, 4935, 5625, 5875, 6125, 6909, 7875, 8225, 9375, 10575, 11025, 11515, 13125, 14805, 17625, 18375, 20727, 21875, 24675, 28125, 29375, 30625, 34545, 39375, 41125, 52875, 55125, 57575, 65625, 74025, 88125, 91875, 103635, 123375, 146875, 153125, 172725, 196875, 205625, 264375, 275625, 287875, 370125, 440625, 459375, 518175, 616875, 863625, 1028125, 1321875, 1378125, 1439375, 1850625, 2590875, 3084375, 4318125, 7196875, 9253125, 12954375, 21590625, 64771875]

約数ペア:

[(1, 64771875), (3, 21590625), (5, 12954375), (7, 9253125), (9, 7196875), (15, 4318125), (21, 3084375), (25, 2590875), (35, 1850625), (45, 1439375), (47, 1378125), (49, 1321875), (63, 1028125), (75, 863625), (105, 616875), (125, 518175), (141, 459375), (147, 440625), (175, 370125), (225, 287875), (235, 275625), (245, 264375), (315, 205625), (329, 196875), (375, 172725), (423, 153125), (441, 146875), (525, 123375), (625, 103635), (705, 91875), (735, 88125), (875, 74025), (987, 65625), (1125, 57575), (1175, 55125), (1225, 52875), (1575, 41125), (1645, 39375), (1875, 34545), (2115, 30625), (2205, 29375), (2303, 28125), (2625, 24675), (2961, 21875), (3125, 20727), (3525, 18375), (3675, 17625), (4375, 14805), (4935, 13125), (5625, 11515), (5875, 11025), (6125, 10575), (6909, 9375), (7875, 8225)]