28660215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 49268736

約数和(自身を除く): 20608521

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 1583, 3621, 4749, 6035, 7915, 18105, 23745, 26911, 80733, 112393, 134555, 337179, 403665, 561965, 1685895, 1910681, 5732043, 9553405, 28660215]

約数ペア:

[(1, 28660215), (3, 9553405), (5, 5732043), (15, 1910681), (17, 1685895), (51, 561965), (71, 403665), (85, 337179), (213, 134555), (255, 112393), (355, 80733), (1065, 26911), (1207, 23745), (1583, 18105), (3621, 7915), (4749, 6035)]