2780817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 4034688

約数和(自身を除く): 1253871

約数列:

[1, 3, 13, 39, 113, 339, 631, 1469, 1893, 4407, 8203, 24609, 71303, 213909, 926939, 2780817]

約数ペア:

[(1, 2780817), (3, 926939), (13, 213909), (39, 71303), (113, 24609), (339, 8203), (631, 4407), (1469, 1893)]