39747915

素因数分解:

$3^4\times 5^1\times {\mathrm{98143}}^1$

素因数の和:98160

約数の個数: 20

約数和(自身を含む): 71252544

約数和(自身を除く): 31504629

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 98143, 294429, 490715, 883287, 1472145, 2649861, 4416435, 7949583, 13249305, 39747915]

約数ペア:

[(1, 39747915), (3, 13249305), (5, 7949583), (9, 4416435), (15, 2649861), (27, 1472145), (45, 883287), (81, 490715), (135, 294429), (405, 98143)]