38720205

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12119}}^1$

素因数の和:12201

約数の個数: 24

約数和(自身を含む): 68065920

約数和(自身を除く): 29345715

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 12119, 36357, 60595, 109071, 181785, 545355, 860449, 2581347, 4302245, 7744041, 12906735, 38720205]

約数ペア:

[(1, 38720205), (3, 12906735), (5, 7744041), (9, 4302245), (15, 2581347), (45, 860449), (71, 545355), (213, 181785), (355, 109071), (639, 60595), (1065, 36357), (3195, 12119)]