642474879

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{8521}}^1$

素因数の和:9178

約数の個数: 16

約数和(自身を含む): 879061344

約数和(自身を除く): 236586465

約数列:

[1, 3, 41, 123, 613, 1839, 8521, 25133, 25563, 75399, 349361, 1048083, 5223373, 15670119, 214158293, 642474879]

約数ペア:

[(1, 642474879), (3, 214158293), (41, 15670119), (123, 5223373), (613, 1048083), (1839, 349361), (8521, 75399), (25133, 25563)]