72311169

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2971}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 117928960

約数和(自身を除く): 45617791

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 2971, 3477, 8113, 8913, 20797, 24339, 56449, 62391, 169347, 181231, 395143, 543693, 1185429, 1268617, 3443389, 3805851, 10330167, 24103723, 72311169]

約数ペア:

[(1, 72311169), (3, 24103723), (7, 10330167), (19, 3805851), (21, 3443389), (57, 1268617), (61, 1185429), (133, 543693), (183, 395143), (399, 181231), (427, 169347), (1159, 62391), (1281, 56449), (2971, 24339), (3477, 20797), (8113, 8913)]