1987755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 3967488

約数和(自身を除く): 1979733

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 1721, 5163, 8605, 12047, 18931, 25815, 36141, 56793, 60235, 94655, 132517, 180705, 283965, 397551, 662585, 1987755]

約数ペア:

[(1, 1987755), (3, 662585), (5, 397551), (7, 283965), (11, 180705), (15, 132517), (21, 94655), (33, 60235), (35, 56793), (55, 36141), (77, 25815), (105, 18931), (165, 12047), (231, 8605), (385, 5163), (1155, 1721)]