78434721

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 115413480

約数和(自身を除く): 36978759

約数列:

[1, 3, 9, 89, 181, 267, 541, 543, 801, 1623, 1629, 4869, 16109, 48149, 48327, 97921, 144447, 144981, 293763, 433341, 881289, 8714969, 26144907, 78434721]

約数ペア:

[(1, 78434721), (3, 26144907), (9, 8714969), (89, 881289), (181, 433341), (267, 293763), (541, 144981), (543, 144447), (801, 97921), (1623, 48327), (1629, 48149), (4869, 16109)]