72565857

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 129886848

約数和(自身を除く): 57320991

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 251, 273, 353, 753, 819, 1059, 1757, 2259, 2471, 3177, 3263, 4589, 5271, 7413, 9789, 13767, 15813, 22239, 22841, 29367, 32123, 41301, 68523, 88603, 96369, 205569, 265809, 289107, 620221, 797427, 1151839, 1860663, 3455517, 5581989, 8062873, 10366551, 24188619, 72565857]

約数ペア:

[(1, 72565857), (3, 24188619), (7, 10366551), (9, 8062873), (13, 5581989), (21, 3455517), (39, 1860663), (63, 1151839), (91, 797427), (117, 620221), (251, 289107), (273, 265809), (353, 205569), (753, 96369), (819, 88603), (1059, 68523), (1757, 41301), (2259, 32123), (2471, 29367), (3177, 22841), (3263, 22239), (4589, 15813), (5271, 13767), (7413, 9789)]