25787853

素因数分解:

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

素因数の和:123

約数の個数: 72

約数和(自身を含む): 49166208

約数和(自身を除く): 23378355

約数列:

[1, 3, 7, 9, 13, 21, 23, 37, 39, 63, 69, 91, 111, 117, 161, 207, 259, 273, 299, 333, 481, 483, 777, 819, 851, 897, 1369, 1443, 1449, 2093, 2331, 2553, 2691, 3367, 4107, 4329, 5957, 6279, 7659, 9583, 10101, 11063, 12321, 17797, 17871, 18837, 28749, 30303, 31487, 33189, 53391, 53613, 77441, 86247, 94461, 99567, 124579, 160173, 220409, 232323, 283383, 373737, 409331, 661227, 696969, 1121211, 1227993, 1983681, 2865317, 3683979, 8595951, 25787853]

約数ペア:

[(1, 25787853), (3, 8595951), (7, 3683979), (9, 2865317), (13, 1983681), (21, 1227993), (23, 1121211), (37, 696969), (39, 661227), (63, 409331), (69, 373737), (91, 283383), (111, 232323), (117, 220409), (161, 160173), (207, 124579), (259, 99567), (273, 94461), (299, 86247), (333, 77441), (481, 53613), (483, 53391), (777, 33189), (819, 31487), (851, 30303), (897, 28749), (1369, 18837), (1443, 17871), (1449, 17797), (2093, 12321), (2331, 11063), (2553, 10101), (2691, 9583), (3367, 7659), (4107, 6279), (4329, 5957)]