12875625

素因数分解:

$3^3\times 5^4\times 7^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 27491200

約数和(自身を除く): 14615575

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 109, 125, 135, 175, 189, 225, 315, 327, 375, 525, 545, 625, 675, 763, 875, 945, 981, 1125, 1575, 1635, 1875, 2289, 2625, 2725, 2943, 3375, 3815, 4375, 4725, 4905, 5625, 6867, 7875, 8175, 11445, 13125, 13625, 14715, 16875, 19075, 20601, 23625, 24525, 34335, 39375, 40875, 57225, 68125, 73575, 95375, 103005, 118125, 122625, 171675, 204375, 286125, 367875, 476875, 515025, 613125, 858375, 1430625, 1839375, 2575125, 4291875, 12875625]

約数ペア:

[(1, 12875625), (3, 4291875), (5, 2575125), (7, 1839375), (9, 1430625), (15, 858375), (21, 613125), (25, 515025), (27, 476875), (35, 367875), (45, 286125), (63, 204375), (75, 171675), (105, 122625), (109, 118125), (125, 103005), (135, 95375), (175, 73575), (189, 68125), (225, 57225), (315, 40875), (327, 39375), (375, 34335), (525, 24525), (545, 23625), (625, 20601), (675, 19075), (763, 16875), (875, 14715), (945, 13625), (981, 13125), (1125, 11445), (1575, 8175), (1635, 7875), (1875, 6867), (2289, 5625), (2625, 4905), (2725, 4725), (2943, 4375), (3375, 3815)]