81340686

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{10247}}^1$

素因数の和:10275

約数の個数: 60

約数和(自身を含む): 212041368

約数和(自身を除く): 130700682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938, 10247, 20494, 30741, 61482, 71729, 92223, 143458, 184446, 215187, 276669, 430374, 502103, 553338, 645561, 830007, 1004206, 1291122, 1506309, 1660014, 1936683, 3012618, 3873366, 4518927, 5810049, 9037854, 11620098, 13556781, 27113562, 40670343, 81340686]

約数ペア:

[(1, 81340686), (2, 40670343), (3, 27113562), (6, 13556781), (7, 11620098), (9, 9037854), (14, 5810049), (18, 4518927), (21, 3873366), (27, 3012618), (42, 1936683), (49, 1660014), (54, 1506309), (63, 1291122), (81, 1004206), (98, 830007), (126, 645561), (147, 553338), (162, 502103), (189, 430374), (294, 276669), (378, 215187), (441, 184446), (567, 143458), (882, 92223), (1134, 71729), (1323, 61482), (2646, 30741), (3969, 20494), (7938, 10247)]