393474429

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{54581}}^1$

素因数の和:54682

約数の個数: 20

約数和(自身を含む): 594397980

約数和(自身を除く): 200923551

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 54581, 163743, 491229, 1473687, 4421061, 4857709, 14573127, 43719381, 131158143, 393474429]

約数ペア:

[(1, 393474429), (3, 131158143), (9, 43719381), (27, 14573127), (81, 4857709), (89, 4421061), (267, 1473687), (801, 491229), (2403, 163743), (7209, 54581)]