80964963

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 121170816

約数和(自身を除く): 40205853

約数列:

[1, 3, 9, 31, 93, 279, 521, 557, 1563, 1671, 4689, 5013, 16151, 17267, 48453, 51801, 145359, 155403, 290197, 870591, 2611773, 8996107, 26988321, 80964963]

約数ペア:

[(1, 80964963), (3, 26988321), (9, 8996107), (31, 2611773), (93, 870591), (279, 290197), (521, 155403), (557, 145359), (1563, 51801), (1671, 48453), (4689, 17267), (5013, 16151)]