31026381

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 44728320

約数和(自身を除く): 13701939

約数列:

[1, 3, 31, 41, 79, 93, 103, 123, 237, 309, 1271, 2449, 3193, 3239, 3813, 4223, 7347, 8137, 9579, 9717, 12669, 24411, 100409, 130913, 252247, 301227, 333617, 392739, 756741, 1000851, 10342127, 31026381]

約数ペア:

[(1, 31026381), (3, 10342127), (31, 1000851), (41, 756741), (79, 392739), (93, 333617), (103, 301227), (123, 252247), (237, 130913), (309, 100409), (1271, 24411), (2449, 12669), (3193, 9717), (3239, 9579), (3813, 8137), (4223, 7347)]