999979425

素因数分解:

$3^4\times 5^2\times {\mathrm{493817}}^1$

素因数の和:493839

約数の個数: 30

約数和(自身を含む): 1852311318

約数和(自身を除く): 852331893

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 493817, 1481451, 2469085, 4444353, 7407255, 12345425, 13333059, 22221765, 37036275, 39999177, 66665295, 111108825, 199995885, 333326475, 999979425]

約数ペア:

[(1, 999979425), (3, 333326475), (5, 199995885), (9, 111108825), (15, 66665295), (25, 39999177), (27, 37036275), (45, 22221765), (75, 13333059), (81, 12345425), (135, 7407255), (225, 4444353), (405, 2469085), (675, 1481451), (2025, 493817)]