80912805

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41177}}^1$

素因数の和:41316

約数の個数: 16

約数和(自身を含む): 130451904

約数和(自身を除く): 49539099

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 41177, 123531, 205885, 617655, 5394187, 16182561, 26970935, 80912805]

約数ペア:

[(1, 80912805), (3, 26970935), (5, 16182561), (15, 5394187), (131, 617655), (393, 205885), (655, 123531), (1965, 41177)]