2730325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 3777536

約数和(自身を除く): 1047211

約数列:

[1, 5, 13, 25, 31, 65, 155, 271, 325, 403, 775, 1355, 2015, 3523, 6775, 8401, 10075, 17615, 42005, 88075, 109213, 210025, 546065, 2730325]

約数ペア:

[(1, 2730325), (5, 546065), (13, 210025), (25, 109213), (31, 88075), (65, 42005), (155, 17615), (271, 10075), (325, 8401), (403, 6775), (775, 3523), (1355, 2015)]