16528741887

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{820733}}^1$

素因数の和:820887

約数の個数: 24

約数和(自身を含む): 25823574576

約数和(自身を除く): 9294832689

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 20139, 820733, 2462199, 5745131, 17235393, 40215917, 112440421, 120647751, 337321263, 787082947, 2361248841, 5509580629, 16528741887]

約数ペア:

[(1, 16528741887), (3, 5509580629), (7, 2361248841), (21, 787082947), (49, 337321263), (137, 120647751), (147, 112440421), (411, 40215917), (959, 17235393), (2877, 5745131), (6713, 2462199), (20139, 820733)]