81796554

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4281

約数の個数: 80

約数和(自身を含む): 221842368

約数和(自身を除く): 140045814

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, 4243, 6426, 8486, 9639, 12729, 19278, 25458, 29701, 38187, 59402, 72131, 76374, 89103, 114561, 144262, 178206, 216393, 229122, 267309, 343683, 432786, 504917, 534618, 649179, 687366, 801927, 1009834, 1298358, 1514751, 1603854, 1947537, 2405781, 3029502, 3895074, 4544253, 4811562, 5842611, 9088506, 11685222, 13632759, 27265518, 40898277, 81796554]

約数ペア:

[(1, 81796554), (2, 40898277), (3, 27265518), (6, 13632759), (7, 11685222), (9, 9088506), (14, 5842611), (17, 4811562), (18, 4544253), (21, 3895074), (27, 3029502), (34, 2405781), (42, 1947537), (51, 1603854), (54, 1514751), (63, 1298358), (81, 1009834), (102, 801927), (119, 687366), (126, 649179), (153, 534618), (162, 504917), (189, 432786), (238, 343683), (306, 267309), (357, 229122), (378, 216393), (459, 178206), (567, 144262), (714, 114561), (918, 89103), (1071, 76374), (1134, 72131), (1377, 59402), (2142, 38187), (2754, 29701), (3213, 25458), (4243, 19278), (6426, 12729), (8486, 9639)]