2017979679

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{3079}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 2905943040

約数和(自身を除く): 887963361

約数列:

[1, 3, 17, 51, 71, 181, 213, 543, 1207, 3077, 3079, 3621, 9231, 9237, 12851, 38553, 52343, 157029, 218467, 218609, 557299, 655401, 655827, 1671897, 3716353, 9474083, 11149059, 28422249, 39568229, 118704687, 672659893, 2017979679]

約数ペア:

[(1, 2017979679), (3, 672659893), (17, 118704687), (51, 39568229), (71, 28422249), (181, 11149059), (213, 9474083), (543, 3716353), (1207, 1671897), (3077, 655827), (3079, 655401), (3621, 557299), (9231, 218609), (9237, 218467), (12851, 157029), (38553, 52343)]