82779507

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{17387}}^1$

素因数の和:17439

約数の個数: 18

約数和(自身を含む): 125002332

約数和(自身を除く): 42222825

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 17387, 52161, 156483, 399901, 1199703, 3599109, 9197723, 27593169, 82779507]

約数ペア:

[(1, 82779507), (3, 27593169), (9, 9197723), (23, 3599109), (69, 1199703), (207, 399901), (529, 156483), (1587, 52161), (4761, 17387)]