174209985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{90031}}^1$

素因数の和:90085

約数の個数: 24

約数和(自身を含む): 308989824

約数和(自身を除く): 134779839

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 90031, 270093, 450155, 810279, 1350465, 3871333, 4051395, 11613999, 19356665, 34841997, 58069995, 174209985]

約数ペア:

[(1, 174209985), (3, 58069995), (5, 34841997), (9, 19356665), (15, 11613999), (43, 4051395), (45, 3871333), (129, 1350465), (215, 810279), (387, 450155), (645, 270093), (1935, 90031)]