80624079

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{1787}}^1$

素因数の和:2356

約数の個数: 20

約数和(自身を含む): 120722184

約数和(自身を除く): 40098105

約数列:

[1, 3, 9, 27, 81, 557, 1671, 1787, 5013, 5361, 15039, 16083, 45117, 48249, 144747, 995359, 2986077, 8958231, 26874693, 80624079]

約数ペア:

[(1, 80624079), (3, 26874693), (9, 8958231), (27, 2986077), (81, 995359), (557, 144747), (1671, 48249), (1787, 45117), (5013, 16083), (5361, 15039)]