1389931275

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{59209}}^1$

素因数の和:59535

約数の個数: 24

約数和(自身を含む): 2305400560

約数和(自身を除く): 915469285

約数列:

[1, 3, 5, 15, 25, 75, 313, 939, 1565, 4695, 7825, 23475, 59209, 177627, 296045, 888135, 1480225, 4440675, 18532417, 55597251, 92662085, 277986255, 463310425, 1389931275]

約数ペア:

[(1, 1389931275), (3, 463310425), (5, 277986255), (15, 92662085), (25, 55597251), (75, 18532417), (313, 4440675), (939, 1480225), (1565, 888135), (4695, 296045), (7825, 177627), (23475, 59209)]