255355839

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{6521}}^1$

素因数の和:6775

約数の個数: 24

約数和(自身を含む): 390015600

約数和(自身を除く): 134659761

約数列:

[1, 3, 9, 19, 57, 171, 229, 687, 2061, 4351, 6521, 13053, 19563, 39159, 58689, 123899, 371697, 1115091, 1493309, 4479927, 13439781, 28372871, 85118613, 255355839]

約数ペア:

[(1, 255355839), (3, 85118613), (9, 28372871), (19, 13439781), (57, 4479927), (171, 1493309), (229, 1115091), (687, 371697), (2061, 123899), (4351, 58689), (6521, 39159), (13053, 19563)]