31215693639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1536281}}^1$

素因数の和:1536818

約数の個数: 16

約数和(自身を含む): 44908595424

約数和(自身を除く): 13692901785

約数列:

[1, 3, 13, 39, 521, 1563, 6773, 20319, 1536281, 4608843, 19971653, 59914959, 800402401, 2401207203, 10405231213, 31215693639]

約数ペア:

[(1, 31215693639), (3, 10405231213), (13, 2401207203), (39, 800402401), (521, 59914959), (1563, 19971653), (6773, 4608843), (20319, 1536281)]