247079185899

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{905051963}}^1$

素因数の和:905051986

約数の個数: 16

約数和(自身を含む): 405463279872

約数和(自身を除く): 158384093973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 905051963, 2715155889, 6335363741, 11765675519, 19006091223, 35297026557, 82359728633, 247079185899]

約数ペア:

[(1, 247079185899), (3, 82359728633), (7, 35297026557), (13, 19006091223), (21, 11765675519), (39, 6335363741), (91, 2715155889), (273, 905051963)]