71661891

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83231}}^1$

素因数の和:83282

約数の個数: 16

約数和(自身を含む): 111863808

約数和(自身を除く): 40201917

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 83231, 249693, 582617, 1747851, 3412471, 10237413, 23887297, 71661891]

約数ペア:

[(1, 71661891), (3, 23887297), (7, 10237413), (21, 3412471), (41, 1747851), (123, 582617), (287, 249693), (861, 83231)]