31115445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 53644800

約数和(自身を除く): 22529355

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 2539, 4085, 7617, 12255, 12695, 38085, 48241, 109177, 144723, 241205, 327531, 545885, 723615, 1637655, 2074363, 6223089, 10371815, 31115445]

約数ペア:

[(1, 31115445), (3, 10371815), (5, 6223089), (15, 2074363), (19, 1637655), (43, 723615), (57, 545885), (95, 327531), (129, 241205), (215, 144723), (285, 109177), (645, 48241), (817, 38085), (2451, 12695), (2539, 12255), (4085, 7617)]