31193487

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15683}}^1$

素因数の和:15719

約数の個数: 24

約数和(自身を含む): 51380784

約数和(自身を除く): 20187297

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15683, 47049, 141147, 203879, 266611, 611637, 799833, 1834911, 2399499, 3465943, 10397829, 31193487]

約数ペア:

[(1, 31193487), (3, 10397829), (9, 3465943), (13, 2399499), (17, 1834911), (39, 799833), (51, 611637), (117, 266611), (153, 203879), (221, 141147), (663, 47049), (1989, 15683)]