261612057567

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{2468341}}^1$

素因数の和:2468468

約数の個数: 32

約数和(自身を含む): 410732108800

約数和(自身を除く): 149120051233

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 343, 721, 1029, 2163, 5047, 15141, 35329, 105987, 2468341, 7405023, 17278387, 51835161, 120948709, 254239123, 362846127, 762717369, 846640963, 1779673861, 2539922889, 5339021583, 12457717027, 37373151081, 87204019189, 261612057567]

約数ペア:

[(1, 261612057567), (3, 87204019189), (7, 37373151081), (21, 12457717027), (49, 5339021583), (103, 2539922889), (147, 1779673861), (309, 846640963), (343, 762717369), (721, 362846127), (1029, 254239123), (2163, 120948709), (5047, 51835161), (15141, 17278387), (35329, 7405023), (105987, 2468341)]