67161915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 121286880

約数和(自身を除く): 54124965

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 569, 645, 915, 1707, 1935, 2623, 2745, 2845, 5121, 7869, 8535, 13115, 23607, 24467, 25605, 34709, 39345, 73401, 104127, 118035, 122335, 173545, 220203, 312381, 367005, 520635, 1101015, 1492487, 1561905, 4477461, 7462435, 13432383, 22387305, 67161915]

約数ペア:

[(1, 67161915), (3, 22387305), (5, 13432383), (9, 7462435), (15, 4477461), (43, 1561905), (45, 1492487), (61, 1101015), (129, 520635), (183, 367005), (215, 312381), (305, 220203), (387, 173545), (549, 122335), (569, 118035), (645, 104127), (915, 73401), (1707, 39345), (1935, 34709), (2623, 25605), (2745, 24467), (2845, 23607), (5121, 13115), (7869, 8535)]