217193409

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{4349}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 325728000

約数和(自身を除く): 108534591

約数列:

[1, 3, 9, 31, 93, 179, 279, 537, 1611, 4349, 5549, 13047, 16647, 39141, 49941, 134819, 404457, 778471, 1213371, 2335413, 7006239, 24132601, 72397803, 217193409]

約数ペア:

[(1, 217193409), (3, 72397803), (9, 24132601), (31, 7006239), (93, 2335413), (179, 1213371), (279, 778471), (537, 404457), (1611, 134819), (4349, 49941), (5549, 39141), (13047, 16647)]