68948415

素因数分解:

$3^4\times 5^1\times {\mathrm{170243}}^1$

素因数の和:170260

約数の個数: 20

約数和(自身を含む): 123597144

約数和(自身を除く): 54648729

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 170243, 510729, 851215, 1532187, 2553645, 4596561, 7660935, 13789683, 22982805, 68948415]

約数ペア:

[(1, 68948415), (3, 22982805), (5, 13789683), (9, 7660935), (15, 4596561), (27, 2553645), (45, 1532187), (81, 851215), (135, 510729), (405, 170243)]