39885657

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 26303655

約数列:

[1, 3, 7, 21, 23, 47, 49, 69, 141, 147, 161, 251, 329, 483, 753, 987, 1081, 1127, 1757, 2303, 3243, 3381, 5271, 5773, 6909, 7567, 11797, 12299, 17319, 22701, 35391, 36897, 40411, 52969, 82579, 121233, 158907, 247737, 271331, 282877, 578053, 813993, 848631, 1734159, 1899317, 5697951, 13295219, 39885657]

約数ペア:

[(1, 39885657), (3, 13295219), (7, 5697951), (21, 1899317), (23, 1734159), (47, 848631), (49, 813993), (69, 578053), (141, 282877), (147, 271331), (161, 247737), (251, 158907), (329, 121233), (483, 82579), (753, 52969), (987, 40411), (1081, 36897), (1127, 35391), (1757, 22701), (2303, 17319), (3243, 12299), (3381, 11797), (5271, 7567), (5773, 6909)]