212940975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{218401}}^1$

素因数の和:218427

約数の個数: 24

約数和(自身を含む): 379145872

約数和(自身を除く): 166204897

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 218401, 655203, 1092005, 2839213, 3276015, 5460025, 8517639, 14196065, 16380075, 42588195, 70980325, 212940975]

約数ペア:

[(1, 212940975), (3, 70980325), (5, 42588195), (13, 16380075), (15, 14196065), (25, 8517639), (39, 5460025), (65, 3276015), (75, 2839213), (195, 1092005), (325, 655203), (975, 218401)]