81618735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 144904032

約数和(自身を除く): 63285297

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 193, 233, 363, 579, 605, 699, 965, 1165, 1815, 2123, 2563, 2895, 3495, 6369, 7689, 10615, 12815, 23353, 28193, 31845, 38445, 44969, 70059, 84579, 116765, 134907, 140965, 224845, 350295, 422895, 494659, 674535, 1483977, 2473295, 5441249, 7419885, 16323747, 27206245, 81618735]

約数ペア:

[(1, 81618735), (3, 27206245), (5, 16323747), (11, 7419885), (15, 5441249), (33, 2473295), (55, 1483977), (121, 674535), (165, 494659), (193, 422895), (233, 350295), (363, 224845), (579, 140965), (605, 134907), (699, 116765), (965, 84579), (1165, 70059), (1815, 44969), (2123, 38445), (2563, 31845), (2895, 28193), (3495, 23353), (6369, 12815), (7689, 10615)]