3989755

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 6133248

約数和(自身を除く): 2143493

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 241, 301, 385, 473, 1205, 1505, 1687, 2365, 2651, 3311, 8435, 10363, 13255, 16555, 18557, 51815, 72541, 92785, 113993, 362705, 569965, 797951, 3989755]

約数ペア:

[(1, 3989755), (5, 797951), (7, 569965), (11, 362705), (35, 113993), (43, 92785), (55, 72541), (77, 51815), (215, 18557), (241, 16555), (301, 13255), (385, 10363), (473, 8435), (1205, 3311), (1505, 2651), (1687, 2365)]