217551321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{10273}}^1$

素因数の和:10473

約数の個数: 24

約数和(自身を含む): 340315976

約数和(自身を除く): 122764655

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 1629, 2353, 7059, 10273, 21177, 30819, 92457, 133549, 400647, 1201941, 1859413, 5578239, 16734717, 24172369, 72517107, 217551321]

約数ペア:

[(1, 217551321), (3, 72517107), (9, 24172369), (13, 16734717), (39, 5578239), (117, 1859413), (181, 1201941), (543, 400647), (1629, 133549), (2353, 92457), (7059, 30819), (10273, 21177)]