207872889

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3217}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 337349376

約数和(自身を除く): 129476487

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 357, 543, 1267, 3077, 3217, 3801, 9231, 9651, 21539, 22519, 54689, 64617, 67557, 164067, 382823, 582277, 1148469, 1746831, 4075939, 9898709, 12227817, 29696127, 69290963, 207872889]

約数ペア:

[(1, 207872889), (3, 69290963), (7, 29696127), (17, 12227817), (21, 9898709), (51, 4075939), (119, 1746831), (181, 1148469), (357, 582277), (543, 382823), (1267, 164067), (3077, 67557), (3217, 64617), (3801, 54689), (9231, 22519), (9651, 21539)]