221337195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{983}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 375777792

約数和(自身を除く): 154440597

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 883, 983, 2649, 2949, 4415, 4915, 13245, 14745, 15011, 16711, 45033, 50133, 75055, 83555, 225165, 250665, 867989, 2603967, 4339945, 13019835, 14755813, 44267439, 73779065, 221337195]

約数ペア:

[(1, 221337195), (3, 73779065), (5, 44267439), (15, 14755813), (17, 13019835), (51, 4339945), (85, 2603967), (255, 867989), (883, 250665), (983, 225165), (2649, 83555), (2949, 75055), (4415, 50133), (4915, 45033), (13245, 16711), (14745, 15011)]