978055275

素因数分解:

$3^1\times 5^2\times {\mathrm{2381}}^1\times {\mathrm{5477}}^1$

素因数の和:7871

約数の個数: 24

約数和(自身を含む): 1618025904

約数和(自身を除く): 639970629

約数列:

[1, 3, 5, 15, 25, 75, 2381, 5477, 7143, 11905, 16431, 27385, 35715, 59525, 82155, 136925, 178575, 410775, 13040737, 39122211, 65203685, 195611055, 326018425, 978055275]

約数ペア:

[(1, 978055275), (3, 326018425), (5, 195611055), (15, 65203685), (25, 39122211), (75, 13040737), (2381, 410775), (5477, 178575), (7143, 136925), (11905, 82155), (16431, 59525), (27385, 35715)]