16313985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8431}}^1$

素因数の和:8485

約数の個数: 24

約数和(自身を含む): 28938624

約数和(自身を除く): 12624639

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 8431, 25293, 42155, 75879, 126465, 362533, 379395, 1087599, 1812665, 3262797, 5437995, 16313985]

約数ペア:

[(1, 16313985), (3, 5437995), (5, 3262797), (9, 1812665), (15, 1087599), (43, 379395), (45, 362533), (129, 126465), (215, 75879), (387, 42155), (645, 25293), (1935, 8431)]