38878137

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{5393}}^1$

素因数の和:5494

約数の個数: 20

約数和(自身を含む): 58740660

約数和(自身を除く): 19862523

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 5393, 7209, 16179, 48537, 145611, 436833, 479977, 1439931, 4319793, 12959379, 38878137]

約数ペア:

[(1, 38878137), (3, 12959379), (9, 4319793), (27, 1439931), (81, 479977), (89, 436833), (267, 145611), (801, 48537), (2403, 16179), (5393, 7209)]