212880675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{405487}}^1$

素因数の和:405507

約数の個数: 24

約数和(自身を含む): 402244096

約数和(自身を除く): 189363421

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 405487, 1216461, 2027435, 2838409, 6082305, 8515227, 10137175, 14192045, 30411525, 42576135, 70960225, 212880675]

約数ペア:

[(1, 212880675), (3, 70960225), (5, 42576135), (7, 30411525), (15, 14192045), (21, 10137175), (25, 8515227), (35, 6082305), (75, 2838409), (105, 2027435), (175, 1216461), (525, 405487)]