207174591

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 335439104

約数和(自身を除く): 128264513

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 181, 351, 543, 1053, 1087, 1629, 2353, 3261, 4887, 7059, 9783, 14131, 14661, 21177, 29349, 42393, 63531, 88047, 127179, 190593, 196747, 381537, 590241, 1144611, 1770723, 2557711, 5312169, 7673133, 15936507, 23019399, 69058197, 207174591]

約数ペア:

[(1, 207174591), (3, 69058197), (9, 23019399), (13, 15936507), (27, 7673133), (39, 5312169), (81, 2557711), (117, 1770723), (181, 1144611), (351, 590241), (543, 381537), (1053, 196747), (1087, 190593), (1629, 127179), (2353, 88047), (3261, 63531), (4887, 42393), (7059, 29349), (9783, 21177), (14131, 14661)]