208050717

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{30113}}^1$

素因数の和:30177

約数の個数: 24

約数和(自身を含む): 329567616

約数和(自身を除く): 121516899

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 30113, 90339, 210791, 632373, 1415311, 1475537, 4245933, 4426611, 9907177, 29721531, 69350239, 208050717]

約数ペア:

[(1, 208050717), (3, 69350239), (7, 29721531), (21, 9907177), (47, 4426611), (49, 4245933), (141, 1475537), (147, 1415311), (329, 632373), (987, 210791), (2303, 90339), (6909, 30113)]