31400397

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{953}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 51989184

約数和(自身を除く): 20588787

約数列:

[1, 3, 7, 9, 21, 63, 523, 953, 1569, 2859, 3661, 4707, 6671, 8577, 10983, 20013, 32949, 60039, 498419, 1495257, 3488933, 4485771, 10466799, 31400397]

約数ペア:

[(1, 31400397), (3, 10466799), (7, 4485771), (9, 3488933), (21, 1495257), (63, 498419), (523, 60039), (953, 32949), (1569, 20013), (2859, 10983), (3661, 8577), (4707, 6671)]