71871891

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263267}}^1$

素因数の和:263290

約数の個数: 16

約数和(自身を含む): 117944064

約数和(自身を除く): 46072173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 263267, 789801, 1842869, 3422471, 5528607, 10267413, 23957297, 71871891]

約数ペア:

[(1, 71871891), (3, 23957297), (7, 10267413), (13, 5528607), (21, 3422471), (39, 1842869), (91, 789801), (273, 263267)]