168551721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2887}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 262808000

約数和(自身を除く): 94256279

約数列:

[1, 3, 9, 13, 39, 117, 499, 1497, 2887, 4491, 6487, 8661, 19461, 25983, 37531, 58383, 112593, 337779, 1440613, 4321839, 12965517, 18727969, 56183907, 168551721]

約数ペア:

[(1, 168551721), (3, 56183907), (9, 18727969), (13, 12965517), (39, 4321839), (117, 1440613), (499, 337779), (1497, 112593), (2887, 58383), (4491, 37531), (6487, 25983), (8661, 19461)]