491121351

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{268813}}^1$

素因数の和:268855

約数の個数: 24

約数和(自身を含む): 838699680

約数和(自身を除く): 347578329

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 268813, 806439, 1881691, 2419317, 5645073, 7795577, 16935219, 23386731, 54569039, 70160193, 163707117, 491121351]

約数ペア:

[(1, 491121351), (3, 163707117), (7, 70160193), (9, 54569039), (21, 23386731), (29, 16935219), (63, 7795577), (87, 5645073), (203, 2419317), (261, 1881691), (609, 806439), (1827, 268813)]