1213137

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:910

約数の個数: 20

約数和(自身を含む): 1920996

約数和(自身を除く): 707859

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 881, 1377, 2643, 7929, 14977, 23787, 44931, 71361, 134793, 404379, 1213137]

約数ペア:

[(1, 1213137), (3, 404379), (9, 134793), (17, 71361), (27, 44931), (51, 23787), (81, 14977), (153, 7929), (459, 2643), (881, 1377)]