31237089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 15937311

約数列:

[1, 3, 13, 29, 39, 71, 87, 213, 377, 389, 923, 1131, 1167, 2059, 2769, 5057, 6177, 11281, 15171, 26767, 27619, 33843, 80301, 82857, 146653, 359047, 439959, 800951, 1077141, 2402853, 10412363, 31237089]

約数ペア:

[(1, 31237089), (3, 10412363), (13, 2402853), (29, 1077141), (39, 800951), (71, 439959), (87, 359047), (213, 146653), (377, 82857), (389, 80301), (923, 33843), (1131, 27619), (1167, 26767), (2059, 15171), (2769, 11281), (5057, 6177)]