80872215

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{53381}}^1$

素因数の和:53490

約数の個数: 16

約数和(自身を含む): 130679136

約数和(自身を除く): 49806921

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 53381, 160143, 266905, 800715, 5391481, 16174443, 26957405, 80872215]

約数ペア:

[(1, 80872215), (3, 26957405), (5, 16174443), (15, 5391481), (101, 800715), (303, 266905), (505, 160143), (1515, 53381)]