90994665

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 151151616

約数和(自身を除く): 60156951

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1987, 3053, 5961, 9159, 9935, 15265, 29805, 45795, 85441, 141077, 256323, 423231, 427205, 705385, 1281615, 2116155, 6066311, 18198933, 30331555, 90994665]

約数ペア:

[(1, 90994665), (3, 30331555), (5, 18198933), (15, 6066311), (43, 2116155), (71, 1281615), (129, 705385), (213, 427205), (215, 423231), (355, 256323), (645, 141077), (1065, 85441), (1987, 45795), (3053, 29805), (5961, 15265), (9159, 9935)]