81916002

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5857}}^1$

素因数の和:5912

約数の個数: 64

約数和(自身を含む): 213699840

約数和(自身を除く): 131783838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1554, 1998, 2331, 4662, 5857, 6993, 11714, 13986, 17571, 35142, 40999, 52713, 81998, 105426, 122997, 158139, 216709, 245994, 316278, 368991, 433418, 650127, 737982, 1106973, 1300254, 1516963, 1950381, 2213946, 3033926, 3900762, 4550889, 5851143, 9101778, 11702286, 13652667, 27305334, 40958001, 81916002]

約数ペア:

[(1, 81916002), (2, 40958001), (3, 27305334), (6, 13652667), (7, 11702286), (9, 9101778), (14, 5851143), (18, 4550889), (21, 3900762), (27, 3033926), (37, 2213946), (42, 1950381), (54, 1516963), (63, 1300254), (74, 1106973), (111, 737982), (126, 650127), (189, 433418), (222, 368991), (259, 316278), (333, 245994), (378, 216709), (518, 158139), (666, 122997), (777, 105426), (999, 81998), (1554, 52713), (1998, 40999), (2331, 35142), (4662, 17571), (5857, 13986), (6993, 11714)]