31391847

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{21937}}^1$

素因数の和:21999

約数の個数: 16

約数和(自身を含む): 47386080

約数和(自身を除く): 15994233

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 21937, 65811, 197433, 592299, 1162661, 3487983, 10463949, 31391847]

約数ペア:

[(1, 31391847), (3, 10463949), (9, 3487983), (27, 1162661), (53, 592299), (159, 197433), (477, 65811), (1431, 21937)]