161593887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20411}}^1$

素因数の和:20463

約数の個数: 32

約数和(自身を含む): 274337280

約数和(自身を除く): 112743393

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 20411, 61233, 142877, 265343, 428631, 591919, 796029, 1775757, 1857401, 4143433, 5572203, 7694947, 12430299, 23084841, 53864629, 161593887]

約数ペア:

[(1, 161593887), (3, 53864629), (7, 23084841), (13, 12430299), (21, 7694947), (29, 5572203), (39, 4143433), (87, 1857401), (91, 1775757), (203, 796029), (273, 591919), (377, 428631), (609, 265343), (1131, 142877), (2639, 61233), (7917, 20411)]