263138013

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{2129}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 393419520

約数和(自身を除く): 130281507

約数列:

[1, 3, 9, 31, 93, 279, 443, 1329, 2129, 3987, 6387, 13733, 19161, 41199, 65999, 123597, 197997, 593991, 943147, 2829441, 8488323, 29237557, 87712671, 263138013]

約数ペア:

[(1, 263138013), (3, 87712671), (9, 29237557), (31, 8488323), (93, 2829441), (279, 943147), (443, 593991), (1329, 197997), (2129, 123597), (3987, 65999), (6387, 41199), (13733, 19161)]