128466657

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 214905600

約数和(自身を除く): 86438943

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 163, 171, 209, 419, 489, 627, 1257, 1467, 1793, 1881, 3097, 3771, 4609, 5379, 7961, 9291, 13827, 16137, 23883, 27873, 34067, 41481, 68297, 71649, 87571, 102201, 204891, 262713, 306603, 614673, 751267, 788139, 1297643, 2253801, 3892929, 6761403, 11678787, 14274073, 42822219, 128466657]

約数ペア:

[(1, 128466657), (3, 42822219), (9, 14274073), (11, 11678787), (19, 6761403), (33, 3892929), (57, 2253801), (99, 1297643), (163, 788139), (171, 751267), (209, 614673), (419, 306603), (489, 262713), (627, 204891), (1257, 102201), (1467, 87571), (1793, 71649), (1881, 68297), (3097, 41481), (3771, 34067), (4609, 27873), (5379, 23883), (7961, 16137), (9291, 13827)]