42972657

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 72777600

約数和(自身を除く): 29804943

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 113, 147, 199, 273, 339, 597, 637, 791, 1393, 1469, 1911, 2373, 2587, 4179, 4407, 5537, 7761, 9751, 10283, 16611, 18109, 22487, 29253, 30849, 54327, 67461, 71981, 126763, 157409, 215943, 292331, 380289, 472227, 876993, 1101863, 2046317, 3305589, 6138951, 14324219, 42972657]

約数ペア:

[(1, 42972657), (3, 14324219), (7, 6138951), (13, 3305589), (21, 2046317), (39, 1101863), (49, 876993), (91, 472227), (113, 380289), (147, 292331), (199, 215943), (273, 157409), (339, 126763), (597, 71981), (637, 67461), (791, 54327), (1393, 30849), (1469, 29253), (1911, 22487), (2373, 18109), (2587, 16611), (4179, 10283), (4407, 9751), (5537, 7761)]