20165310081

素因数分解:

$3^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{440281}}^1$

素因数の和:441021

約数の個数: 24

約数和(自身を含む): 33334630784

約数和(自身を除く): 13169320703

約数列:

[1, 3, 7, 9, 21, 63, 727, 2181, 5089, 6543, 15267, 45801, 440281, 1320843, 3081967, 3962529, 9245901, 27737703, 320084287, 960252861, 2240590009, 2880758583, 6721770027, 20165310081]

約数ペア:

[(1, 20165310081), (3, 6721770027), (7, 2880758583), (9, 2240590009), (21, 960252861), (63, 320084287), (727, 27737703), (2181, 9245901), (5089, 3962529), (6543, 3081967), (15267, 1320843), (45801, 440281)]