42172947

素因数分解:

$3^3\times {\mathrm{1049}}^1\times {\mathrm{1489}}^1$

素因数の和:2547

約数の個数: 16

約数和(自身を含む): 62580000

約数和(自身を除く): 20407053

約数列:

[1, 3, 9, 27, 1049, 1489, 3147, 4467, 9441, 13401, 28323, 40203, 1561961, 4685883, 14057649, 42172947]

約数ペア:

[(1, 42172947), (3, 14057649), (9, 4685883), (27, 1561961), (1049, 40203), (1489, 28323), (3147, 13401), (4467, 9441)]