3990225

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 6687072

約数和(自身を除く): 2696847

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 641, 1245, 1923, 2075, 3205, 6225, 9615, 16025, 48075, 53203, 159609, 266015, 798045, 1330075, 3990225]

約数ペア:

[(1, 3990225), (3, 1330075), (5, 798045), (15, 266015), (25, 159609), (75, 53203), (83, 48075), (249, 16025), (415, 9615), (641, 6225), (1245, 3205), (1923, 2075)]