28012900425

素因数分解:

$3^1\times 5^2\times {\mathrm{13339}}^1\times {\mathrm{28001}}^1$

素因数の和:41353

約数の個数: 24

約数和(自身を含む): 46319788320

約数和(自身を除く): 18306887895

約数列:

[1, 3, 5, 15, 25, 75, 13339, 28001, 40017, 66695, 84003, 140005, 200085, 333475, 420015, 700025, 1000425, 2100075, 373505339, 1120516017, 1867526695, 5602580085, 9337633475, 28012900425]

約数ペア:

[(1, 28012900425), (3, 9337633475), (5, 5602580085), (15, 1867526695), (25, 1120516017), (75, 373505339), (13339, 2100075), (28001, 1000425), (40017, 700025), (66695, 420015), (84003, 333475), (140005, 200085)]