13878207

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 24161280

約数和(自身を除く): 10283073

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 109, 129, 141, 301, 327, 329, 387, 423, 763, 903, 981, 987, 2021, 2289, 2709, 2961, 4687, 5123, 6063, 6867, 14061, 14147, 15369, 18189, 32809, 35861, 42183, 42441, 46107, 98427, 107583, 127323, 220289, 295281, 322749, 660867, 1542023, 1982601, 4626069, 13878207]

約数ペア:

[(1, 13878207), (3, 4626069), (7, 1982601), (9, 1542023), (21, 660867), (43, 322749), (47, 295281), (63, 220289), (109, 127323), (129, 107583), (141, 98427), (301, 46107), (327, 42441), (329, 42183), (387, 35861), (423, 32809), (763, 18189), (903, 15369), (981, 14147), (987, 14061), (2021, 6867), (2289, 6063), (2709, 5123), (2961, 4687)]