81565218

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4231}}^1$

素因数の和:4269

約数の個数: 80

約数和(自身を含む): 221215104

約数和(自身を除く): 139649886

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1071, 1134, 1377, 2142, 2754, 3213, 4231, 6426, 8462, 9639, 12693, 19278, 25386, 29617, 38079, 59234, 71927, 76158, 88851, 114237, 143854, 177702, 215781, 228474, 266553, 342711, 431562, 503489, 533106, 647343, 685422, 799659, 1006978, 1294686, 1510467, 1599318, 1942029, 2398977, 3020934, 3884058, 4531401, 4797954, 5826087, 9062802, 11652174, 13594203, 27188406, 40782609, 81565218]

約数ペア:

[(1, 81565218), (2, 40782609), (3, 27188406), (6, 13594203), (7, 11652174), (9, 9062802), (14, 5826087), (17, 4797954), (18, 4531401), (21, 3884058), (27, 3020934), (34, 2398977), (42, 1942029), (51, 1599318), (54, 1510467), (63, 1294686), (81, 1006978), (102, 799659), (119, 685422), (126, 647343), (153, 533106), (162, 503489), (189, 431562), (238, 342711), (306, 266553), (357, 228474), (378, 215781), (459, 177702), (567, 143854), (714, 114237), (918, 88851), (1071, 76158), (1134, 71927), (1377, 59234), (2142, 38079), (2754, 29617), (3213, 25386), (4231, 19278), (6426, 12693), (8462, 9639)]