30902715

素因数分解:

$3^4\times 5^1\times {\mathrm{76303}}^1$

素因数の和:76320

約数の個数: 20

約数和(自身を含む): 55396704

約数和(自身を除く): 24493989

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76303, 228909, 381515, 686727, 1144545, 2060181, 3433635, 6180543, 10300905, 30902715]

約数ペア:

[(1, 30902715), (3, 10300905), (5, 6180543), (9, 3433635), (15, 2060181), (27, 1144545), (45, 686727), (81, 381515), (135, 228909), (405, 76303)]