215844219

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{1259}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 319999680

約数和(自身を除く): 104155461

約数列:

[1, 3, 9, 43, 129, 387, 443, 1259, 1329, 3777, 3987, 11331, 19049, 54137, 57147, 162411, 171441, 487233, 557737, 1673211, 5019633, 23982691, 71948073, 215844219]

約数ペア:

[(1, 215844219), (3, 71948073), (9, 23982691), (43, 5019633), (129, 1673211), (387, 557737), (443, 487233), (1259, 171441), (1329, 162411), (3777, 57147), (3987, 54137), (11331, 19049)]