207913713

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{74441}}^1$

素因数の和:74477

約数の個数: 24

約数和(自身を含む): 339455520

約数和(自身を除く): 131541807

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 74441, 223323, 521087, 1414379, 1563261, 3647609, 4243137, 9900653, 10942827, 29701959, 69304571, 207913713]

約数ペア:

[(1, 207913713), (3, 69304571), (7, 29701959), (19, 10942827), (21, 9900653), (49, 4243137), (57, 3647609), (133, 1563261), (147, 1414379), (399, 521087), (931, 223323), (2793, 74441)]