990959955

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1\times {\mathrm{1889}}^1$

素因数の和:2791

約数の個数: 32

約数和(自身を含む): 1626972480

約数和(自身を除く): 636012525

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 853, 1889, 2559, 4265, 5667, 9445, 12795, 28335, 34973, 77449, 104919, 174865, 232347, 387245, 524595, 1161735, 1611317, 4833951, 8056585, 24169755, 66063997, 198191991, 330319985, 990959955]

約数ペア:

[(1, 990959955), (3, 330319985), (5, 198191991), (15, 66063997), (41, 24169755), (123, 8056585), (205, 4833951), (615, 1611317), (853, 1161735), (1889, 524595), (2559, 387245), (4265, 232347), (5667, 174865), (9445, 104919), (12795, 77449), (28335, 34973)]