31095207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 54276768

約数和(自身を除く): 23181561

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 429, 481, 653, 1221, 1287, 1443, 1959, 3663, 4329, 5291, 5877, 7183, 8489, 15873, 21549, 24161, 25467, 47619, 64647, 72483, 76401, 93379, 217449, 265771, 280137, 314093, 797313, 840411, 942279, 2391939, 2826837, 3455023, 10365069, 31095207]

約数ペア:

[(1, 31095207), (3, 10365069), (9, 3455023), (11, 2826837), (13, 2391939), (33, 942279), (37, 840411), (39, 797313), (99, 314093), (111, 280137), (117, 265771), (143, 217449), (333, 93379), (407, 76401), (429, 72483), (481, 64647), (653, 47619), (1221, 25467), (1287, 24161), (1443, 21549), (1959, 15873), (3663, 8489), (4329, 7183), (5291, 5877)]