155521975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{38639}}^1$

素因数の和:38679

約数の個数: 24

約数和(自身を含む): 229985280

約数和(自身を除く): 74463305

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 38639, 193195, 270473, 888697, 965975, 1352365, 4443485, 6220879, 6761825, 22217425, 31104395, 155521975]

約数ペア:

[(1, 155521975), (5, 31104395), (7, 22217425), (23, 6761825), (25, 6220879), (35, 4443485), (115, 1352365), (161, 965975), (175, 888697), (575, 270473), (805, 193195), (4025, 38639)]