249303981

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 355829760

約数和(自身を除く): 106525779

約数列:

[1, 3, 29, 43, 87, 103, 129, 309, 647, 1247, 1941, 2987, 3741, 4429, 8961, 13287, 18763, 27821, 56289, 66641, 83463, 128441, 199923, 385323, 806809, 1932589, 2420427, 2865563, 5797767, 8596689, 83101327, 249303981]

約数ペア:

[(1, 249303981), (3, 83101327), (29, 8596689), (43, 5797767), (87, 2865563), (103, 2420427), (129, 1932589), (309, 806809), (647, 385323), (1247, 199923), (1941, 128441), (2987, 83463), (3741, 66641), (4429, 56289), (8961, 27821), (13287, 18763)]