490493951997

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1531}}^1\times {\mathrm{12041}}^1$

素因数の和:13770

約数の個数: 48

約数和(自身を含む): 765532482624

約数和(自身を除く): 275038530627

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1267, 1531, 3801, 4593, 8869, 10717, 12041, 26607, 32151, 36123, 75019, 84287, 225057, 252861, 277111, 590009, 831333, 1770027, 1939777, 2179421, 5819331, 6538263, 13578439, 15255947, 18434771, 40735317, 45767841, 55304313, 106791629, 129043397, 320374887, 387130191, 903303779, 2709911337, 3336693551, 10010080653, 23356854857, 70070564571, 163497983999, 490493951997]

約数ペア:

[(1, 490493951997), (3, 163497983999), (7, 70070564571), (21, 23356854857), (49, 10010080653), (147, 3336693551), (181, 2709911337), (543, 903303779), (1267, 387130191), (1531, 320374887), (3801, 129043397), (4593, 106791629), (8869, 55304313), (10717, 45767841), (12041, 40735317), (26607, 18434771), (32151, 15255947), (36123, 13578439), (75019, 6538263), (84287, 5819331), (225057, 2179421), (252861, 1939777), (277111, 1770027), (590009, 831333)]