1218405726

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{327001}}^1$

素因数の和:327038

約数の個数: 40

約数和(自身を含む): 2848841424

約数和(自身を除く): 1630435698

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 327001, 654002, 981003, 1962006, 2943009, 5886018, 7521023, 8829027, 15042046, 17658054, 22563069, 26487081, 45126138, 52974162, 67689207, 135378414, 203067621, 406135242, 609202863, 1218405726]

約数ペア:

[(1, 1218405726), (2, 609202863), (3, 406135242), (6, 203067621), (9, 135378414), (18, 67689207), (23, 52974162), (27, 45126138), (46, 26487081), (54, 22563069), (69, 17658054), (81, 15042046), (138, 8829027), (162, 7521023), (207, 5886018), (414, 2943009), (621, 1962006), (1242, 981003), (1863, 654002), (3726, 327001)]