12921825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 24728576

約数和(自身を除く): 11806751

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 151, 163, 175, 453, 489, 525, 755, 815, 1057, 1141, 2265, 2445, 3171, 3423, 3775, 4075, 5285, 5705, 11325, 12225, 15855, 17115, 24613, 26425, 28525, 73839, 79275, 85575, 123065, 172291, 369195, 516873, 615325, 861455, 1845975, 2584365, 4307275, 12921825]

約数ペア:

[(1, 12921825), (3, 4307275), (5, 2584365), (7, 1845975), (15, 861455), (21, 615325), (25, 516873), (35, 369195), (75, 172291), (105, 123065), (151, 85575), (163, 79275), (175, 73839), (453, 28525), (489, 26425), (525, 24613), (755, 17115), (815, 15855), (1057, 12225), (1141, 11325), (2265, 5705), (2445, 5285), (3171, 4075), (3423, 3775)]