81013653

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 143844480

約数和(自身を除く): 62830827

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 67, 119, 153, 201, 357, 469, 603, 1071, 1129, 1139, 1407, 3387, 3417, 4221, 7903, 7973, 10161, 10251, 19193, 23709, 23919, 57579, 71127, 71757, 75643, 134351, 172737, 226929, 403053, 529501, 680787, 1209159, 1285931, 1588503, 3857793, 4765509, 9001517, 11573379, 27004551, 81013653]

約数ペア:

[(1, 81013653), (3, 27004551), (7, 11573379), (9, 9001517), (17, 4765509), (21, 3857793), (51, 1588503), (63, 1285931), (67, 1209159), (119, 680787), (153, 529501), (201, 403053), (357, 226929), (469, 172737), (603, 134351), (1071, 75643), (1129, 71757), (1139, 71127), (1407, 57579), (3387, 23919), (3417, 23709), (4221, 19193), (7903, 10251), (7973, 10161)]