215599389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 324305856

約数和(自身を除く): 108706467

約数列:

[1, 3, 17, 31, 51, 53, 83, 93, 159, 249, 527, 901, 961, 1411, 1581, 1643, 2573, 2703, 2883, 4233, 4399, 4929, 7719, 13197, 16337, 27931, 43741, 49011, 50933, 74783, 79763, 83793, 131223, 136369, 152799, 224349, 239289, 409107, 865861, 1355971, 2318273, 2597583, 4067913, 4227439, 6954819, 12682317, 71866463, 215599389]

約数ペア:

[(1, 215599389), (3, 71866463), (17, 12682317), (31, 6954819), (51, 4227439), (53, 4067913), (83, 2597583), (93, 2318273), (159, 1355971), (249, 865861), (527, 409107), (901, 239289), (961, 224349), (1411, 152799), (1581, 136369), (1643, 131223), (2573, 83793), (2703, 79763), (2883, 74783), (4233, 50933), (4399, 49011), (4929, 43741), (7719, 27931), (13197, 16337)]