289185561

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{11447}}^1$

素因数の和:11861

約数の個数: 24

約数和(自身を含む): 478617984

約数和(自身を除く): 189432423

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 2807, 3609, 8421, 11447, 25263, 34341, 80129, 103023, 240387, 721161, 4590247, 13770741, 32131729, 41312223, 96395187, 289185561]

約数ペア:

[(1, 289185561), (3, 96395187), (7, 41312223), (9, 32131729), (21, 13770741), (63, 4590247), (401, 721161), (1203, 240387), (2807, 103023), (3609, 80129), (8421, 34341), (11447, 25263)]