81362556

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 238691376

約数和(自身を除く): 157328820

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 37, 44, 54, 66, 74, 81, 99, 108, 111, 132, 148, 162, 198, 222, 297, 324, 333, 396, 407, 444, 594, 617, 666, 814, 891, 999, 1188, 1221, 1234, 1332, 1628, 1782, 1851, 1998, 2442, 2468, 2997, 3564, 3663, 3702, 3996, 4884, 5553, 5994, 6787, 7326, 7404, 10989, 11106, 11988, 13574, 14652, 16659, 20361, 21978, 22212, 22829, 27148, 32967, 33318, 40722, 43956, 45658, 49977, 61083, 65934, 66636, 68487, 81444, 91316, 99954, 122166, 131868, 136974, 183249, 199908, 205461, 244332, 251119, 273948, 366498, 410922, 502238, 549747, 616383, 732996, 753357, 821844, 1004476, 1099494, 1232766, 1506714, 1849149, 2198988, 2260071, 2465532, 3013428, 3698298, 4520142, 6780213, 7396596, 9040284, 13560426, 20340639, 27120852, 40681278, 81362556]

約数ペア:

[(1, 81362556), (2, 40681278), (3, 27120852), (4, 20340639), (6, 13560426), (9, 9040284), (11, 7396596), (12, 6780213), (18, 4520142), (22, 3698298), (27, 3013428), (33, 2465532), (36, 2260071), (37, 2198988), (44, 1849149), (54, 1506714), (66, 1232766), (74, 1099494), (81, 1004476), (99, 821844), (108, 753357), (111, 732996), (132, 616383), (148, 549747), (162, 502238), (198, 410922), (222, 366498), (297, 273948), (324, 251119), (333, 244332), (396, 205461), (407, 199908), (444, 183249), (594, 136974), (617, 131868), (666, 122166), (814, 99954), (891, 91316), (999, 81444), (1188, 68487), (1221, 66636), (1234, 65934), (1332, 61083), (1628, 49977), (1782, 45658), (1851, 43956), (1998, 40722), (2442, 33318), (2468, 32967), (2997, 27148), (3564, 22829), (3663, 22212), (3702, 21978), (3996, 20361), (4884, 16659), (5553, 14652), (5994, 13574), (6787, 11988), (7326, 11106), (7404, 10989)]