7991019

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 11934000

約数和(自身を除く): 3942981

約数列:

[1, 3, 9, 59, 101, 149, 177, 303, 447, 531, 909, 1341, 5959, 8791, 15049, 17877, 26373, 45147, 53631, 79119, 135441, 887891, 2663673, 7991019]

約数ペア:

[(1, 7991019), (3, 2663673), (9, 887891), (59, 135441), (101, 79119), (149, 53631), (177, 45147), (303, 26373), (447, 17877), (531, 15049), (909, 8791), (1341, 5959)]