28009905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24251}}^1$

素因数の和:24277

約数の個数: 32

約数和(自身を含む): 55876608

約数和(自身を除く): 27866703

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24251, 72753, 121255, 169757, 266761, 363765, 509271, 800283, 848785, 1333805, 1867327, 2546355, 4001415, 5601981, 9336635, 28009905]

約数ペア:

[(1, 28009905), (3, 9336635), (5, 5601981), (7, 4001415), (11, 2546355), (15, 1867327), (21, 1333805), (33, 848785), (35, 800283), (55, 509271), (77, 363765), (105, 266761), (165, 169757), (231, 121255), (385, 72753), (1155, 24251)]