61720113

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 108738560

約数和(自身を除く): 47018447

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 73, 91, 133, 163, 219, 247, 273, 399, 489, 511, 741, 949, 1141, 1387, 1533, 1729, 2119, 2847, 3097, 3423, 4161, 5187, 6357, 6643, 9291, 9709, 11899, 14833, 18031, 19929, 21679, 29127, 35697, 40261, 44499, 54093, 65037, 83293, 120783, 126217, 154687, 226081, 249879, 281827, 378651, 464061, 678243, 845481, 1082809, 1582567, 2939053, 3248427, 4747701, 8817159, 20573371, 61720113]

約数ペア:

[(1, 61720113), (3, 20573371), (7, 8817159), (13, 4747701), (19, 3248427), (21, 2939053), (39, 1582567), (57, 1082809), (73, 845481), (91, 678243), (133, 464061), (163, 378651), (219, 281827), (247, 249879), (273, 226081), (399, 154687), (489, 126217), (511, 120783), (741, 83293), (949, 65037), (1141, 54093), (1387, 44499), (1533, 40261), (1729, 35697), (2119, 29127), (2847, 21679), (3097, 19929), (3423, 18031), (4161, 14833), (5187, 11899), (6357, 9709), (6643, 9291)]