81562356

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20411}}^1$

素因数の和:20461

約数の個数: 48

約数和(自身を含む): 217183680

約数和(自身を除く): 135621324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 20411, 40822, 61233, 81644, 122466, 183699, 244932, 367398, 551097, 734796, 755207, 1102194, 1510414, 2204388, 2265621, 3020828, 4531242, 6796863, 9062484, 13593726, 20390589, 27187452, 40781178, 81562356]

約数ペア:

[(1, 81562356), (2, 40781178), (3, 27187452), (4, 20390589), (6, 13593726), (9, 9062484), (12, 6796863), (18, 4531242), (27, 3020828), (36, 2265621), (37, 2204388), (54, 1510414), (74, 1102194), (108, 755207), (111, 734796), (148, 551097), (222, 367398), (333, 244932), (444, 183699), (666, 122466), (999, 81644), (1332, 61233), (1998, 40822), (3996, 20411)]