30912225

素因数分解:

$3^1\times 5^2\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 51267552

約数和(自身を除く): 20355327

約数列:

[1, 3, 5, 15, 25, 75, 641, 643, 1923, 1929, 3205, 3215, 9615, 9645, 16025, 16075, 48075, 48225, 412163, 1236489, 2060815, 6182445, 10304075, 30912225]

約数ペア:

[(1, 30912225), (3, 10304075), (5, 6182445), (15, 2060815), (25, 1236489), (75, 412163), (641, 48225), (643, 48075), (1923, 16075), (1929, 16025), (3205, 9645), (3215, 9615)]