30120039

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 47623680

約数和(自身を除く): 17503641

約数列:

[1, 3, 9, 17, 27, 51, 153, 211, 311, 459, 633, 933, 1899, 2799, 3587, 5287, 5697, 8397, 10761, 15861, 32283, 47583, 65621, 96849, 142749, 196863, 590589, 1115557, 1771767, 3346671, 10040013, 30120039]

約数ペア:

[(1, 30120039), (3, 10040013), (9, 3346671), (17, 1771767), (27, 1115557), (51, 590589), (153, 196863), (211, 142749), (311, 96849), (459, 65621), (633, 47583), (933, 32283), (1899, 15861), (2799, 10761), (3587, 8397), (5287, 5697)]