81731574

素因数分解:

$2^1\times 3^2\times {\mathrm{191}}^1\times {\mathrm{23773}}^1$

素因数の和:23972

約数の個数: 24

約数和(自身を含む): 178019712

約数和(自身を除く): 96288138

約数列:

[1, 2, 3, 6, 9, 18, 191, 382, 573, 1146, 1719, 3438, 23773, 47546, 71319, 142638, 213957, 427914, 4540643, 9081286, 13621929, 27243858, 40865787, 81731574]

約数ペア:

[(1, 81731574), (2, 40865787), (3, 27243858), (6, 13621929), (9, 9081286), (18, 4540643), (191, 427914), (382, 213957), (573, 142638), (1146, 71319), (1719, 47546), (3438, 23773)]