81397071

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{76001}}^1$

素因数の和:76031

約数の個数: 24

約数和(自身を含む): 142275744

約数和(自身を除く): 60878673

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 76001, 228003, 532007, 684009, 1292017, 1596021, 3876051, 4788063, 9044119, 11628153, 27132357, 81397071]

約数ペア:

[(1, 81397071), (3, 27132357), (7, 11628153), (9, 9044119), (17, 4788063), (21, 3876051), (51, 1596021), (63, 1292017), (119, 684009), (153, 532007), (357, 228003), (1071, 76001)]