31871853

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{90803}}^1$

素因数の和:90825

約数の個数: 16

約数和(自身を含む): 50850240

約数和(自身を除く): 18978387

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 90803, 272409, 817227, 1180439, 2451681, 3541317, 10623951, 31871853]

約数ペア:

[(1, 31871853), (3, 10623951), (9, 3541317), (13, 2451681), (27, 1180439), (39, 817227), (117, 272409), (351, 90803)]