207952857

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{194167}}^1$

素因数の和:194197

約数の個数: 24

約数和(自身を含む): 363482496

約数和(自身を除く): 155529639

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 194167, 582501, 1359169, 1747503, 3300839, 4077507, 9902517, 12232521, 23105873, 29707551, 69317619, 207952857]

約数ペア:

[(1, 207952857), (3, 69317619), (7, 29707551), (9, 23105873), (17, 12232521), (21, 9902517), (51, 4077507), (63, 3300839), (119, 1747503), (153, 1359169), (357, 582501), (1071, 194167)]