12980895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 22471680

約数和(自身を除く): 9490785

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 1231, 2109, 3515, 3693, 6155, 10545, 18465, 23389, 45547, 70167, 116945, 136641, 227735, 350835, 683205, 865393, 2596179, 4326965, 12980895]

約数ペア:

[(1, 12980895), (3, 4326965), (5, 2596179), (15, 865393), (19, 683205), (37, 350835), (57, 227735), (95, 136641), (111, 116945), (185, 70167), (285, 45547), (555, 23389), (703, 18465), (1231, 10545), (2109, 6155), (3515, 3693)]