81662805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6029}}^1$

素因数の和:6090

約数の個数: 48

約数和(自身を含む): 165559680

約数和(自身を除く): 83896875

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 6029, 13545, 18087, 30145, 42203, 54261, 90435, 126609, 211015, 259247, 271305, 379827, 633045, 777741, 1296235, 1814729, 1899135, 2333223, 3888705, 5444187, 9073645, 11666115, 16332561, 27220935, 81662805]

約数ペア:

[(1, 81662805), (3, 27220935), (5, 16332561), (7, 11666115), (9, 9073645), (15, 5444187), (21, 3888705), (35, 2333223), (43, 1899135), (45, 1814729), (63, 1296235), (105, 777741), (129, 633045), (215, 379827), (301, 271305), (315, 259247), (387, 211015), (645, 126609), (903, 90435), (1505, 54261), (1935, 42203), (2709, 30145), (4515, 18087), (6029, 13545)]