1626261

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 2911104

約数和(自身を除く): 1284843

約数列:

[1, 3, 7, 13, 21, 23, 37, 39, 49, 69, 91, 111, 147, 161, 259, 273, 299, 481, 483, 637, 777, 851, 897, 1127, 1443, 1813, 1911, 2093, 2553, 3367, 3381, 5439, 5957, 6279, 10101, 11063, 14651, 17871, 23569, 33189, 41699, 43953, 70707, 77441, 125097, 232323, 542087, 1626261]

約数ペア:

[(1, 1626261), (3, 542087), (7, 232323), (13, 125097), (21, 77441), (23, 70707), (37, 43953), (39, 41699), (49, 33189), (69, 23569), (91, 17871), (111, 14651), (147, 11063), (161, 10101), (259, 6279), (273, 5957), (299, 5439), (481, 3381), (483, 3367), (637, 2553), (777, 2093), (851, 1911), (897, 1813), (1127, 1443)]