30571839

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 45528912

約数和(自身を除く): 14957073

約数列:

[1, 3, 9, 43, 129, 197, 387, 401, 591, 1203, 1773, 3609, 8471, 17243, 25413, 51729, 76239, 78997, 155187, 236991, 710973, 3396871, 10190613, 30571839]

約数ペア:

[(1, 30571839), (3, 10190613), (9, 3396871), (43, 710973), (129, 236991), (197, 155187), (387, 78997), (401, 76239), (591, 51729), (1203, 25413), (1773, 17243), (3609, 8471)]