2018051721

素因数分解:

$3^2\times 7^2\times {\mathrm{1613}}^1\times {\mathrm{2837}}^1$

素因数の和:4470

約数の個数: 36

約数和(自身を含む): 3394174212

約数和(自身を除く): 1376122491

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1613, 2837, 4839, 8511, 11291, 14517, 19859, 25533, 33873, 59577, 79037, 101619, 139013, 178731, 237111, 417039, 711333, 1251117, 4576081, 13728243, 32032567, 41184729, 96097701, 224227969, 288293103, 672683907, 2018051721]

約数ペア:

[(1, 2018051721), (3, 672683907), (7, 288293103), (9, 224227969), (21, 96097701), (49, 41184729), (63, 32032567), (147, 13728243), (441, 4576081), (1613, 1251117), (2837, 711333), (4839, 417039), (8511, 237111), (11291, 178731), (14517, 139013), (19859, 101619), (25533, 79037), (33873, 59577)]