15823821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 24917760

約数和(自身を除く): 9093939

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 823, 1131, 1479, 2469, 6409, 10699, 13991, 19227, 23867, 32097, 41973, 71601, 181883, 310271, 405739, 545649, 930813, 1217217, 5274607, 15823821]

約数ペア:

[(1, 15823821), (3, 5274607), (13, 1217217), (17, 930813), (29, 545649), (39, 405739), (51, 310271), (87, 181883), (221, 71601), (377, 41973), (493, 32097), (663, 23867), (823, 19227), (1131, 13991), (1479, 10699), (2469, 6409)]