2015201919

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1\times {\mathrm{5039}}^1$

素因数の和:6374

約数の個数: 16

約数和(自身を含む): 2714342400

約数和(自身を除く): 699140481

約数列:

[1, 3, 109, 327, 1223, 3669, 5039, 15117, 133307, 399921, 549251, 1647753, 6162697, 18488091, 671733973, 2015201919]

約数ペア:

[(1, 2015201919), (3, 671733973), (109, 18488091), (327, 6162697), (1223, 1647753), (3669, 549251), (5039, 399921), (15117, 133307)]