15240789

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 25069824

約数和(自身を除く): 9829035

約数列:

[1, 3, 9, 17, 23, 51, 61, 69, 71, 153, 183, 207, 213, 391, 549, 639, 1037, 1173, 1207, 1403, 1633, 3111, 3519, 3621, 4209, 4331, 4899, 9333, 10863, 12627, 12993, 14697, 23851, 27761, 38979, 71553, 73627, 83283, 99613, 214659, 220881, 249849, 298839, 662643, 896517, 1693421, 5080263, 15240789]

約数ペア:

[(1, 15240789), (3, 5080263), (9, 1693421), (17, 896517), (23, 662643), (51, 298839), (61, 249849), (69, 220881), (71, 214659), (153, 99613), (183, 83283), (207, 73627), (213, 71553), (391, 38979), (549, 27761), (639, 23851), (1037, 14697), (1173, 12993), (1207, 12627), (1403, 10863), (1633, 9333), (3111, 4899), (3519, 4331), (3621, 4209)]