491753313

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{1753}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 722367360

約数和(自身を除く): 230614047

約数列:

[1, 3, 9, 71, 213, 439, 639, 1317, 1753, 3951, 5259, 15777, 31169, 93507, 124463, 280521, 373389, 769567, 1120167, 2308701, 6926103, 54639257, 163917771, 491753313]

約数ペア:

[(1, 491753313), (3, 163917771), (9, 54639257), (71, 6926103), (213, 2308701), (439, 1120167), (639, 769567), (1317, 373389), (1753, 280521), (3951, 124463), (5259, 93507), (15777, 31169)]