257466261

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{2837}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 373934880

約数和(自身を除く): 116468619

約数列:

[1, 3, 13, 39, 169, 179, 507, 537, 2327, 2837, 6981, 8511, 30251, 36881, 90753, 110643, 479453, 507823, 1438359, 1523469, 6601699, 19805097, 85822087, 257466261]

約数ペア:

[(1, 257466261), (3, 85822087), (13, 19805097), (39, 6601699), (169, 1523469), (179, 1438359), (507, 507823), (537, 479453), (2327, 110643), (2837, 90753), (6981, 36881), (8511, 30251)]