3121415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 4492800

約数和(自身を除く): 1371385

約数列:

[1, 5, 11, 19, 29, 55, 95, 103, 145, 209, 319, 515, 551, 1045, 1133, 1595, 1957, 2755, 2987, 5665, 6061, 9785, 14935, 21527, 30305, 32857, 56753, 107635, 164285, 283765, 624283, 3121415]

約数ペア:

[(1, 3121415), (5, 624283), (11, 283765), (19, 164285), (29, 107635), (55, 56753), (95, 32857), (103, 30305), (145, 21527), (209, 14935), (319, 9785), (515, 6061), (551, 5665), (1045, 2987), (1133, 2755), (1595, 1957)]