81058915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79861}}^1$

素因数の和:79902

約数の個数: 16

約数和(自身を含む): 115001280

約数和(自身を除く): 33942365

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 79861, 399305, 559027, 2315969, 2795135, 11579845, 16211783, 81058915]

約数ペア:

[(1, 81058915), (5, 16211783), (7, 11579845), (29, 2795135), (35, 2315969), (145, 559027), (203, 399305), (1015, 79861)]