31980315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1511}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 54867456

約数和(自身を除く): 22887141

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 415, 1245, 1411, 1511, 4233, 4533, 7055, 7555, 21165, 22665, 25687, 77061, 125413, 128435, 376239, 385305, 627065, 1881195, 2132021, 6396063, 10660105, 31980315]

約数ペア:

[(1, 31980315), (3, 10660105), (5, 6396063), (15, 2132021), (17, 1881195), (51, 627065), (83, 385305), (85, 376239), (249, 128435), (255, 125413), (415, 77061), (1245, 25687), (1411, 22665), (1511, 21165), (4233, 7555), (4533, 7055)]