1279731681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{41809}}^1$

素因数の和:42013

約数の個数: 24

約数和(自身を含む): 1956708000

約数和(自身を除く): 676976319

約数列:

[1, 3, 9, 19, 57, 171, 179, 537, 1611, 3401, 10203, 30609, 41809, 125427, 376281, 794371, 2383113, 7149339, 7483811, 22451433, 67354299, 142192409, 426577227, 1279731681]

約数ペア:

[(1, 1279731681), (3, 426577227), (9, 142192409), (19, 67354299), (57, 22451433), (171, 7483811), (179, 7149339), (537, 2383113), (1611, 794371), (3401, 376281), (10203, 125427), (30609, 41809)]