8891961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{431}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 13378176

約数和(自身を除く): 4486215

約数列:

[1, 3, 13, 23, 39, 69, 299, 431, 529, 897, 1293, 1587, 5603, 6877, 9913, 16809, 20631, 29739, 128869, 227999, 386607, 683997, 2963987, 8891961]

約数ペア:

[(1, 8891961), (3, 2963987), (13, 683997), (23, 386607), (39, 227999), (69, 128869), (299, 29739), (431, 20631), (529, 16809), (897, 9913), (1293, 6877), (1587, 5603)]