61520405

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{809}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 75349440

約数和(自身を除く): 13829035

約数列:

[1, 5, 67, 227, 335, 809, 1135, 4045, 15209, 54203, 76045, 183643, 271015, 918215, 12304081, 61520405]

約数ペア:

[(1, 61520405), (5, 12304081), (67, 918215), (227, 271015), (335, 183643), (809, 76045), (1135, 54203), (4045, 15209)]