670173

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1072512

約数和(自身を除く): 402339

約数列:

[1, 3, 7, 21, 47, 49, 97, 141, 147, 291, 329, 679, 987, 2037, 2303, 4559, 4753, 6909, 13677, 14259, 31913, 95739, 223391, 670173]

約数ペア:

[(1, 670173), (3, 223391), (7, 95739), (21, 31913), (47, 14259), (49, 13677), (97, 6909), (141, 4753), (147, 4559), (291, 2303), (329, 2037), (679, 987)]