2313615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 4029696

約数和(自身を除く): 1716081

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 211, 215, 255, 633, 645, 731, 1055, 2193, 3165, 3587, 3655, 9073, 10761, 10965, 17935, 27219, 45365, 53805, 136095, 154241, 462723, 771205, 2313615]

約数ペア:

[(1, 2313615), (3, 771205), (5, 462723), (15, 154241), (17, 136095), (43, 53805), (51, 45365), (85, 27219), (129, 17935), (211, 10965), (215, 10761), (255, 9073), (633, 3655), (645, 3587), (731, 3165), (1055, 2193)]