81275375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{15121}}^1$

素因数の和:15179

約数の個数: 16

約数和(自身を含む): 103797408

約数和(自身を除く): 22522033

約数列:

[1, 5, 25, 43, 125, 215, 1075, 5375, 15121, 75605, 378025, 650203, 1890125, 3251015, 16255075, 81275375]

約数ペア:

[(1, 81275375), (5, 16255075), (25, 3251015), (43, 1890125), (125, 650203), (215, 378025), (1075, 75605), (5375, 15121)]