13681353

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 21683200

約数和(自身を除く): 8001847

約数列:

[1, 3, 7, 21, 43, 109, 129, 139, 301, 327, 417, 763, 903, 973, 2289, 2919, 4687, 5977, 14061, 15151, 17931, 32809, 41839, 45453, 98427, 106057, 125517, 318171, 651493, 1954479, 4560451, 13681353]

約数ペア:

[(1, 13681353), (3, 4560451), (7, 1954479), (21, 651493), (43, 318171), (109, 125517), (129, 106057), (139, 98427), (301, 45453), (327, 41839), (417, 32809), (763, 17931), (903, 15151), (973, 14061), (2289, 5977), (2919, 4687)]