120505995

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20759}}^1$

素因数の和:20816

約数の個数: 32

約数和(自身を含む): 219225600

約数和(自身を除く): 98719605

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 20759, 62277, 103795, 186831, 311385, 560493, 892637, 934155, 2677911, 2802465, 4463185, 8033733, 13389555, 24101199, 40168665, 120505995]

約数ペア:

[(1, 120505995), (3, 40168665), (5, 24101199), (9, 13389555), (15, 8033733), (27, 4463185), (43, 2802465), (45, 2677911), (129, 934155), (135, 892637), (215, 560493), (387, 311385), (645, 186831), (1161, 103795), (1935, 62277), (5805, 20759)]