212370705

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{21163}}^1$

素因数の和:21397

約数の個数: 24

約数和(自身を含む): 369777408

約数和(自身を除く): 157406703

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 21163, 63489, 105815, 190467, 317445, 952335, 4719349, 14158047, 23596745, 42474141, 70790235, 212370705]

約数ペア:

[(1, 212370705), (3, 70790235), (5, 42474141), (9, 23596745), (15, 14158047), (45, 4719349), (223, 952335), (669, 317445), (1115, 190467), (2007, 105815), (3345, 63489), (10035, 21163)]