287665347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{569}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 425502720

約数和(自身を除く): 137837373

約数列:

[1, 3, 17, 23, 51, 69, 391, 431, 569, 1173, 1293, 1707, 7327, 9673, 9913, 13087, 21981, 29019, 29739, 39261, 168521, 222479, 245239, 505563, 667437, 735717, 4169063, 5640497, 12507189, 16921491, 95888449, 287665347]

約数ペア:

[(1, 287665347), (3, 95888449), (17, 16921491), (23, 12507189), (51, 5640497), (69, 4169063), (391, 735717), (431, 667437), (569, 505563), (1173, 245239), (1293, 222479), (1707, 168521), (7327, 39261), (9673, 29739), (9913, 29019), (13087, 21981)]