30691305

素因数分解:

$3^4\times 5^1\times {\mathrm{75781}}^1$

素因数の和:75798

約数の個数: 20

約数和(自身を含む): 55017732

約数和(自身を除く): 24326427

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 75781, 227343, 378905, 682029, 1136715, 2046087, 3410145, 6138261, 10230435, 30691305]

約数ペア:

[(1, 30691305), (3, 10230435), (5, 6138261), (9, 3410145), (15, 2046087), (27, 1136715), (45, 682029), (81, 378905), (135, 227343), (405, 75781)]