15861789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 26083200

約数和(自身を除く): 10221411

約数列:

[1, 3, 9, 19, 23, 37, 57, 69, 109, 111, 171, 207, 327, 333, 437, 703, 851, 981, 1311, 2071, 2109, 2507, 2553, 3933, 4033, 6213, 6327, 7521, 7659, 12099, 16169, 18639, 22563, 36297, 47633, 48507, 76627, 92759, 142899, 145521, 229881, 278277, 428697, 689643, 834831, 1762421, 5287263, 15861789]

約数ペア:

[(1, 15861789), (3, 5287263), (9, 1762421), (19, 834831), (23, 689643), (37, 428697), (57, 278277), (69, 229881), (109, 145521), (111, 142899), (171, 92759), (207, 76627), (327, 48507), (333, 47633), (437, 36297), (703, 22563), (851, 18639), (981, 16169), (1311, 12099), (2071, 7659), (2109, 7521), (2507, 6327), (2553, 6213), (3933, 4033)]