72538713

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 124320000

約数和(自身を除く): 51781287

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 73, 117, 149, 171, 219, 247, 351, 447, 513, 657, 741, 949, 1341, 1387, 1937, 1971, 2223, 2831, 2847, 4023, 4161, 5811, 6669, 8493, 8541, 10877, 12483, 17433, 18031, 25479, 25623, 32631, 36803, 37449, 52299, 54093, 76437, 97893, 110409, 141401, 162279, 206663, 293679, 331227, 424203, 486837, 619989, 993681, 1272609, 1859967, 2686619, 3817827, 5579901, 8059857, 24179571, 72538713]

約数ペア:

[(1, 72538713), (3, 24179571), (9, 8059857), (13, 5579901), (19, 3817827), (27, 2686619), (39, 1859967), (57, 1272609), (73, 993681), (117, 619989), (149, 486837), (171, 424203), (219, 331227), (247, 293679), (351, 206663), (447, 162279), (513, 141401), (657, 110409), (741, 97893), (949, 76437), (1341, 54093), (1387, 52299), (1937, 37449), (1971, 36803), (2223, 32631), (2831, 25623), (2847, 25479), (4023, 18031), (4161, 17433), (5811, 12483), (6669, 10877), (8493, 8541)]