31317891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 16098429

約数列:

[1, 3, 11, 33, 41, 79, 123, 237, 293, 451, 869, 879, 1353, 2607, 3223, 3239, 9669, 9717, 12013, 23147, 35629, 36039, 69441, 106887, 132143, 254617, 396429, 763851, 949027, 2847081, 10439297, 31317891]

約数ペア:

[(1, 31317891), (3, 10439297), (11, 2847081), (33, 949027), (41, 763851), (79, 396429), (123, 254617), (237, 132143), (293, 106887), (451, 69441), (869, 36039), (879, 35629), (1353, 23147), (2607, 12013), (3223, 9717), (3239, 9669)]