2784975

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 4678272

約数和(自身を除く): 1893297

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 523, 1065, 1569, 1775, 2615, 5325, 7845, 13075, 37133, 39225, 111399, 185665, 556995, 928325, 2784975]

約数ペア:

[(1, 2784975), (3, 928325), (5, 556995), (15, 185665), (25, 111399), (71, 39225), (75, 37133), (213, 13075), (355, 7845), (523, 5325), (1065, 2615), (1569, 1775)]