156906183

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 252485376

約数和(自身を除く): 95579193

約数列:

[1, 3, 7, 21, 43, 49, 103, 129, 147, 241, 301, 309, 721, 723, 903, 1687, 2107, 2163, 4429, 5047, 5061, 6321, 10363, 11809, 13287, 15141, 24823, 31003, 31089, 35427, 72541, 74469, 93009, 173761, 217021, 217623, 507787, 521283, 651063, 1067389, 1216327, 1523361, 3202167, 3648981, 7471723, 22415169, 52302061, 156906183]

約数ペア:

[(1, 156906183), (3, 52302061), (7, 22415169), (21, 7471723), (43, 3648981), (49, 3202167), (103, 1523361), (129, 1216327), (147, 1067389), (241, 651063), (301, 521283), (309, 507787), (721, 217623), (723, 217021), (903, 173761), (1687, 93009), (2107, 74469), (2163, 72541), (4429, 35427), (5047, 31089), (5061, 31003), (6321, 24823), (10363, 15141), (11809, 13287)]