668012685

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{1879}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 1083421440

約数和(自身を除く): 415408755

約数列:

[1, 3, 5, 15, 137, 173, 411, 519, 685, 865, 1879, 2055, 2595, 5637, 9395, 23701, 28185, 71103, 118505, 257423, 325067, 355515, 772269, 975201, 1287115, 1625335, 3861345, 4876005, 44534179, 133602537, 222670895, 668012685]

約数ペア:

[(1, 668012685), (3, 222670895), (5, 133602537), (15, 44534179), (137, 4876005), (173, 3861345), (411, 1625335), (519, 1287115), (685, 975201), (865, 772269), (1879, 355515), (2055, 325067), (2595, 257423), (5637, 118505), (9395, 71103), (23701, 28185)]