156915885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{213491}}^1$

素因数の和:213513

約数の個数: 24

約数和(自身を含む): 292057056

約数和(自身を除く): 135141171

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 213491, 640473, 1067455, 1494437, 3202365, 4483311, 7472185, 10461059, 22416555, 31383177, 52305295, 156915885]

約数ペア:

[(1, 156915885), (3, 52305295), (5, 31383177), (7, 22416555), (15, 10461059), (21, 7472185), (35, 4483311), (49, 3202365), (105, 1494437), (147, 1067455), (245, 640473), (735, 213491)]