289804575

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{27799}}^1$

素因数の和:27951

約数の個数: 24

約数和(自身を含む): 482608000

約数和(自身を除く): 192803425

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3475, 10425, 27799, 83397, 138995, 416985, 694975, 2084925, 3864061, 11592183, 19320305, 57960915, 96601525, 289804575]

約数ペア:

[(1, 289804575), (3, 96601525), (5, 57960915), (15, 19320305), (25, 11592183), (75, 3864061), (139, 2084925), (417, 694975), (695, 416985), (2085, 138995), (3475, 83397), (10425, 27799)]