156958239

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 223027200

約数和(自身を除く): 66068961

約数列:

[1, 3, 31, 47, 93, 141, 149, 241, 447, 723, 1457, 4371, 4619, 7003, 7471, 11327, 13857, 21009, 22413, 33981, 35909, 107727, 217093, 351137, 651279, 1053411, 1113179, 1687723, 3339537, 5063169, 52319413, 156958239]

約数ペア:

[(1, 156958239), (3, 52319413), (31, 5063169), (47, 3339537), (93, 1687723), (141, 1113179), (149, 1053411), (241, 651279), (447, 351137), (723, 217093), (1457, 107727), (4371, 35909), (4619, 33981), (7003, 22413), (7471, 21009), (11327, 13857)]