40278879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2161}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 61833200

約数和(自身を除く): 21554321

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 2161, 6213, 6483, 18639, 19449, 41059, 123177, 235549, 369531, 706647, 2119941, 4475431, 13426293, 40278879]

約数ペア:

[(1, 40278879), (3, 13426293), (9, 4475431), (19, 2119941), (57, 706647), (109, 369531), (171, 235549), (327, 123177), (981, 41059), (2071, 19449), (2161, 18639), (6213, 6483)]