128007255

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{108023}}^1$

素因数の和:108110

約数の個数: 16

約数和(自身を含む): 207406080

約数和(自身を除く): 79398825

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 108023, 324069, 540115, 1620345, 8533817, 25601451, 42669085, 128007255]

約数ペア:

[(1, 128007255), (3, 42669085), (5, 25601451), (15, 8533817), (79, 1620345), (237, 540115), (395, 324069), (1185, 108023)]