631557

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 995904

約数和(自身を除く): 364347

約数列:

[1, 3, 9, 23, 27, 69, 81, 113, 207, 243, 339, 621, 1017, 1863, 2599, 3051, 5589, 7797, 9153, 23391, 27459, 70173, 210519, 631557]

約数ペア:

[(1, 631557), (3, 210519), (9, 70173), (23, 27459), (27, 23391), (69, 9153), (81, 7797), (113, 5589), (207, 3051), (243, 2599), (339, 1863), (621, 1017)]