531738237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 758448000

約数和(自身を除く): 226709763

約数列:

[1, 3, 19, 57, 137, 149, 411, 447, 457, 1371, 2603, 2831, 7809, 8493, 8683, 20413, 26049, 61239, 62609, 68093, 187827, 204279, 387847, 1163541, 1189571, 1293767, 3568713, 3881301, 9328741, 27986223, 177246079, 531738237]

約数ペア:

[(1, 531738237), (3, 177246079), (19, 27986223), (57, 9328741), (137, 3881301), (149, 3568713), (411, 1293767), (447, 1189571), (457, 1163541), (1371, 387847), (2603, 204279), (2831, 187827), (7809, 68093), (8493, 62609), (8683, 61239), (20413, 26049)]