7145721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 11400480

約数和(自身を除く): 4254759

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 811, 979, 2433, 2937, 7299, 8811, 8921, 26763, 72179, 80289, 216537, 649611, 793969, 2381907, 7145721]

約数ペア:

[(1, 7145721), (3, 2381907), (9, 793969), (11, 649611), (33, 216537), (89, 80289), (99, 72179), (267, 26763), (801, 8921), (811, 8811), (979, 7299), (2433, 2937)]