31921239

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24919}}^1$

素因数の和:24990

約数の個数: 16

約数和(自身を含む): 49441280

約数和(自身を除く): 17520041

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 24919, 74757, 174433, 523299, 1520059, 4560177, 10640413, 31921239]

約数ペア:

[(1, 31921239), (3, 10640413), (7, 4560177), (21, 1520059), (61, 523299), (183, 174433), (427, 74757), (1281, 24919)]