1215877185

素因数分解:

$3^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{30809}}^1$

素因数の和:31697

約数の個数: 24

約数和(自身を含む): 2109992040

約数和(自身を除く): 894114855

約数列:

[1, 3, 5, 9, 15, 45, 877, 2631, 4385, 7893, 13155, 30809, 39465, 92427, 154045, 277281, 462135, 1386405, 27019493, 81058479, 135097465, 243175437, 405292395, 1215877185]

約数ペア:

[(1, 1215877185), (3, 405292395), (5, 243175437), (9, 135097465), (15, 81058479), (45, 27019493), (877, 1386405), (2631, 462135), (4385, 277281), (7893, 154045), (13155, 92427), (30809, 39465)]