28625625

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{727}}^1$

素因数の和:760

約数の個数: 60

約数和(自身を含む): 59131072

約数和(自身を除く): 30505447

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 625, 727, 875, 1125, 1575, 1875, 2181, 2625, 3635, 4375, 5089, 5625, 6543, 7875, 10905, 13125, 15267, 18175, 25445, 32715, 39375, 45801, 54525, 76335, 90875, 127225, 163575, 229005, 272625, 381675, 454375, 636125, 817875, 1145025, 1363125, 1908375, 3180625, 4089375, 5725125, 9541875, 28625625]

約数ペア:

[(1, 28625625), (3, 9541875), (5, 5725125), (7, 4089375), (9, 3180625), (15, 1908375), (21, 1363125), (25, 1145025), (35, 817875), (45, 636125), (63, 454375), (75, 381675), (105, 272625), (125, 229005), (175, 163575), (225, 127225), (315, 90875), (375, 76335), (525, 54525), (625, 45801), (727, 39375), (875, 32715), (1125, 25445), (1575, 18175), (1875, 15267), (2181, 13125), (2625, 10905), (3635, 7875), (4375, 6543), (5089, 5625)]