68431389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 103165440

約数和(自身を除く): 34734051

約数列:

[1, 3, 13, 37, 39, 47, 111, 141, 481, 611, 1009, 1443, 1739, 1833, 3027, 5217, 13117, 22607, 37333, 39351, 47423, 67821, 111999, 142269, 485329, 616499, 1455987, 1754651, 1849497, 5263953, 22810463, 68431389]

約数ペア:

[(1, 68431389), (3, 22810463), (13, 5263953), (37, 1849497), (39, 1754651), (47, 1455987), (111, 616499), (141, 485329), (481, 142269), (611, 111999), (1009, 67821), (1443, 47423), (1739, 39351), (1833, 37333), (3027, 22607), (5217, 13117)]