249212481

素因数分解:

$3^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{1907}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 390758400

約数和(自身を除く): 141545919

約数列:

[1, 3, 7, 21, 49, 127, 147, 343, 381, 889, 1029, 1907, 2667, 5721, 6223, 13349, 18669, 40047, 43561, 93443, 130683, 242189, 280329, 654101, 726567, 1695323, 1962303, 5085969, 11867261, 35601783, 83070827, 249212481]

約数ペア:

[(1, 249212481), (3, 83070827), (7, 35601783), (21, 11867261), (49, 5085969), (127, 1962303), (147, 1695323), (343, 726567), (381, 654101), (889, 280329), (1029, 242189), (1907, 130683), (2667, 93443), (5721, 43561), (6223, 40047), (13349, 18669)]