289364973

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 417726720

約数和(自身を除く): 128361747

約数列:

[1, 3, 17, 51, 71, 157, 213, 471, 509, 1207, 1527, 2669, 3621, 8007, 8653, 11147, 25959, 33441, 36139, 79913, 108417, 189499, 239739, 568497, 614363, 1358521, 1843089, 4075563, 5673823, 17021469, 96454991, 289364973]

約数ペア:

[(1, 289364973), (3, 96454991), (17, 17021469), (51, 5673823), (71, 4075563), (157, 1843089), (213, 1358521), (471, 614363), (509, 568497), (1207, 239739), (1527, 189499), (2669, 108417), (3621, 79913), (8007, 36139), (8653, 33441), (11147, 25959)]