201345459

素因数分解:

$3^1\times 7^4\times {\mathrm{27953}}^1$

素因数の和:27984

約数の個数: 20

約数和(自身を含む): 313196616

約数和(自身を除く): 111851157

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 27953, 83859, 195671, 587013, 1369697, 4109091, 9587879, 28763637, 67115153, 201345459]

約数ペア:

[(1, 201345459), (3, 67115153), (7, 28763637), (21, 9587879), (49, 4109091), (147, 1369697), (343, 587013), (1029, 195671), (2401, 83859), (7203, 27953)]