30675915

素因数分解:

$3^4\times 5^1\times {\mathrm{75743}}^1$

素因数の和:75760

約数の個数: 20

約数和(自身を含む): 54990144

約数和(自身を除く): 24314229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 75743, 227229, 378715, 681687, 1136145, 2045061, 3408435, 6135183, 10225305, 30675915]

約数ペア:

[(1, 30675915), (3, 10225305), (5, 6135183), (9, 3408435), (15, 2045061), (27, 1136145), (45, 681687), (81, 378715), (135, 227229), (405, 75743)]