68881917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{283}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 100529184

約数和(自身を除く): 31647267

約数列:

[1, 3, 13, 39, 79, 237, 283, 849, 1027, 3081, 3679, 6241, 11037, 18723, 22357, 67071, 81133, 243399, 290641, 871923, 1766203, 5298609, 22960639, 68881917]

約数ペア:

[(1, 68881917), (3, 22960639), (13, 5298609), (39, 1766203), (79, 871923), (237, 290641), (283, 243399), (849, 81133), (1027, 67071), (3081, 22357), (3679, 18723), (6241, 11037)]