291212901

素因数分解:

$3^6\times 7^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:557

約数の個数: 56

約数和(自身を含む): 503654400

約数和(自身を除く): 212441499

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 243, 383, 447, 567, 729, 1043, 1149, 1341, 1701, 2681, 3129, 3447, 4023, 5103, 8043, 9387, 10341, 12069, 24129, 28161, 31023, 36207, 57067, 72387, 84483, 93069, 108621, 171201, 217161, 253449, 279207, 399469, 513603, 651483, 760347, 1198407, 1540809, 1954449, 3595221, 4622427, 10785663, 13867281, 32356989, 41601843, 97070967, 291212901]

約数ペア:

[(1, 291212901), (3, 97070967), (7, 41601843), (9, 32356989), (21, 13867281), (27, 10785663), (63, 4622427), (81, 3595221), (149, 1954449), (189, 1540809), (243, 1198407), (383, 760347), (447, 651483), (567, 513603), (729, 399469), (1043, 279207), (1149, 253449), (1341, 217161), (1701, 171201), (2681, 108621), (3129, 93069), (3447, 84483), (4023, 72387), (5103, 57067), (8043, 36207), (9387, 31023), (10341, 28161), (12069, 24129)]