81231066

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12641}}^1$

素因数の和:12676

約数の個数: 64

約数和(自身を含む): 218453760

約数和(自身を除く): 137222694

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426, 12641, 25282, 37923, 75846, 88487, 113769, 176974, 214897, 227538, 265461, 341307, 429794, 530922, 644691, 682614, 796383, 1289382, 1504279, 1592766, 1934073, 2389149, 3008558, 3868146, 4512837, 4778298, 5802219, 9025674, 11604438, 13538511, 27077022, 40615533, 81231066]

約数ペア:

[(1, 81231066), (2, 40615533), (3, 27077022), (6, 13538511), (7, 11604438), (9, 9025674), (14, 5802219), (17, 4778298), (18, 4512837), (21, 3868146), (27, 3008558), (34, 2389149), (42, 1934073), (51, 1592766), (54, 1504279), (63, 1289382), (102, 796383), (119, 682614), (126, 644691), (153, 530922), (189, 429794), (238, 341307), (306, 265461), (357, 227538), (378, 214897), (459, 176974), (714, 113769), (918, 88487), (1071, 75846), (2142, 37923), (3213, 25282), (6426, 12641)]