1290411

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 20

約数和(自身を含む): 1960200

約数和(自身を除く): 669789

約数列:

[1, 3, 9, 27, 81, 89, 179, 267, 537, 801, 1611, 2403, 4833, 7209, 14499, 15931, 47793, 143379, 430137, 1290411]

約数ペア:

[(1, 1290411), (3, 430137), (9, 143379), (27, 47793), (81, 15931), (89, 14499), (179, 7209), (267, 4833), (537, 2403), (801, 1611)]