25312338

素因数分解:

$2^1\times 3^9\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 40

約数和(自身を含む): 57040368

約数和(自身を除く): 31728030

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 643, 729, 1286, 1458, 1929, 2187, 3858, 4374, 5787, 6561, 11574, 13122, 17361, 19683, 34722, 39366, 52083, 104166, 156249, 312498, 468747, 937494, 1406241, 2812482, 4218723, 8437446, 12656169, 25312338]

約数ペア:

[(1, 25312338), (2, 12656169), (3, 8437446), (6, 4218723), (9, 2812482), (18, 1406241), (27, 937494), (54, 468747), (81, 312498), (162, 156249), (243, 104166), (486, 52083), (643, 39366), (729, 34722), (1286, 19683), (1458, 17361), (1929, 13122), (2187, 11574), (3858, 6561), (4374, 5787)]