816442893

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{128311}}^1$

素因数の和:128425

約数の個数: 24

約数和(自身を含む): 1361133696

約数和(自身を除く): 544690803

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 128311, 384933, 898177, 1154799, 2694531, 8083593, 12959411, 38878233, 90715877, 116634699, 272147631, 816442893]

約数ペア:

[(1, 816442893), (3, 272147631), (7, 116634699), (9, 90715877), (21, 38878233), (63, 12959411), (101, 8083593), (303, 2694531), (707, 1154799), (909, 898177), (2121, 384933), (6363, 128311)]