11380257

素因数分解:

$3^4\times 7^1\times {\mathrm{20071}}^1$

素因数の和:20090

約数の個数: 20

約数和(自身を含む): 19429696

約数和(自身を除く): 8049439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20071, 60213, 140497, 180639, 421491, 541917, 1264473, 1625751, 3793419, 11380257]

約数ペア:

[(1, 11380257), (3, 3793419), (7, 1625751), (9, 1264473), (21, 541917), (27, 421491), (63, 180639), (81, 140497), (189, 60213), (567, 20071)]