858321117

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{28409}}^1$

素因数の和:28794

約数の個数: 20

約数和(自身を含む): 1285666140

約数和(自身を除く): 427345023

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 10071, 28409, 30213, 85227, 255681, 767043, 2301129, 10596557, 31789671, 95369013, 286107039, 858321117]

約数ペア:

[(1, 858321117), (3, 286107039), (9, 95369013), (27, 31789671), (81, 10596557), (373, 2301129), (1119, 767043), (3357, 255681), (10071, 85227), (28409, 30213)]