81510801

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 37099119

約数列:

[1, 3, 17, 51, 59, 103, 177, 263, 309, 789, 1003, 1751, 3009, 4471, 5253, 6077, 13413, 15517, 18231, 27089, 46551, 81267, 103309, 263789, 309927, 460513, 791367, 1381539, 1598251, 4794753, 27170267, 81510801]

約数ペア:

[(1, 81510801), (3, 27170267), (17, 4794753), (51, 1598251), (59, 1381539), (103, 791367), (177, 460513), (263, 309927), (309, 263789), (789, 103309), (1003, 81267), (1751, 46551), (3009, 27089), (4471, 18231), (5253, 15517), (6077, 13413)]