278844891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{86143}}^1$

素因数の和:86242

約数の個数: 16

約数和(自身を含む): 405221376

約数和(自身を除く): 126376485

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 86143, 258429, 1119859, 3359577, 7149869, 21449607, 92948297, 278844891]

約数ペア:

[(1, 278844891), (3, 92948297), (13, 21449607), (39, 7149869), (83, 3359577), (249, 1119859), (1079, 258429), (3237, 86143)]