156775257

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{5189}}^1$

素因数の和:5574

約数の個数: 20

約数和(自身を含む): 234868260

約数和(自身を除く): 78093003

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 5189, 10071, 15567, 30213, 46701, 140103, 420309, 1935497, 5806491, 17419473, 52258419, 156775257]

約数ペア:

[(1, 156775257), (3, 52258419), (9, 17419473), (27, 5806491), (81, 1935497), (373, 420309), (1119, 140103), (3357, 46701), (5189, 30213), (10071, 15567)]