67921875

素因数分解:

$3^3\times 5^6\times 7^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 112

約数和(自身を含む): 149998080

約数和(自身を除く): 82076205

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 63, 69, 75, 105, 115, 125, 135, 161, 175, 189, 207, 225, 315, 345, 375, 483, 525, 575, 621, 625, 675, 805, 875, 945, 1035, 1125, 1449, 1575, 1725, 1875, 2415, 2625, 2875, 3105, 3125, 3375, 4025, 4347, 4375, 4725, 5175, 5625, 7245, 7875, 8625, 9375, 12075, 13125, 14375, 15525, 15625, 16875, 20125, 21735, 21875, 23625, 25875, 28125, 36225, 39375, 43125, 46875, 60375, 65625, 71875, 77625, 84375, 100625, 108675, 109375, 118125, 129375, 140625, 181125, 196875, 215625, 301875, 328125, 359375, 388125, 421875, 503125, 543375, 590625, 646875, 905625, 984375, 1078125, 1509375, 1940625, 2515625, 2716875, 2953125, 3234375, 4528125, 7546875, 9703125, 13584375, 22640625, 67921875]

約数ペア:

[(1, 67921875), (3, 22640625), (5, 13584375), (7, 9703125), (9, 7546875), (15, 4528125), (21, 3234375), (23, 2953125), (25, 2716875), (27, 2515625), (35, 1940625), (45, 1509375), (63, 1078125), (69, 984375), (75, 905625), (105, 646875), (115, 590625), (125, 543375), (135, 503125), (161, 421875), (175, 388125), (189, 359375), (207, 328125), (225, 301875), (315, 215625), (345, 196875), (375, 181125), (483, 140625), (525, 129375), (575, 118125), (621, 109375), (625, 108675), (675, 100625), (805, 84375), (875, 77625), (945, 71875), (1035, 65625), (1125, 60375), (1449, 46875), (1575, 43125), (1725, 39375), (1875, 36225), (2415, 28125), (2625, 25875), (2875, 23625), (3105, 21875), (3125, 21735), (3375, 20125), (4025, 16875), (4347, 15625), (4375, 15525), (4725, 14375), (5175, 13125), (5625, 12075), (7245, 9375), (7875, 8625)]