138221715

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{297251}}^1$

素因数の和:297290

約数の個数: 16

約数和(自身を含む): 228289536

約数和(自身を除く): 90067821

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 297251, 891753, 1486255, 4458765, 9214781, 27644343, 46073905, 138221715]

約数ペア:

[(1, 138221715), (3, 46073905), (5, 27644343), (15, 9214781), (31, 4458765), (93, 1486255), (155, 891753), (465, 297251)]