68697447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251639}}^1$

素因数の和:251662

約数の個数: 16

約数和(自身を含む): 112734720

約数和(自身を除く): 44037273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 251639, 754917, 1761473, 3271307, 5284419, 9813921, 22899149, 68697447]

約数ペア:

[(1, 68697447), (3, 22899149), (7, 9813921), (13, 5284419), (21, 3271307), (39, 1761473), (91, 754917), (273, 251639)]