28270725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53849}}^1$

素因数の和:53869

約数の個数: 24

約数和(自身を含む): 53419200

約数和(自身を除く): 25148475

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53849, 161547, 269245, 376943, 807735, 1130829, 1346225, 1884715, 4038675, 5654145, 9423575, 28270725]

約数ペア:

[(1, 28270725), (3, 9423575), (5, 5654145), (7, 4038675), (15, 1884715), (21, 1346225), (25, 1130829), (35, 807735), (75, 376943), (105, 269245), (175, 161547), (525, 53849)]