8720361

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 13764296

約数和(自身を除く): 5043935

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 1021, 2847, 3063, 8541, 9189, 13273, 39819, 74533, 119457, 223599, 670797, 968929, 2906787, 8720361]

約数ペア:

[(1, 8720361), (3, 2906787), (9, 968929), (13, 670797), (39, 223599), (73, 119457), (117, 74533), (219, 39819), (657, 13273), (949, 9189), (1021, 8541), (2847, 3063)]