13880181

素因数分解:

$3^1\times 7^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 22587264

約数和(自身を除く): 8707083

約数列:

[1, 3, 7, 21, 41, 47, 49, 123, 141, 147, 287, 329, 343, 861, 987, 1029, 1927, 2009, 2303, 2401, 5781, 6027, 6909, 7203, 13489, 14063, 16121, 40467, 42189, 48363, 94423, 98441, 112847, 283269, 295323, 338541, 660961, 1982883, 4626727, 13880181]

約数ペア:

[(1, 13880181), (3, 4626727), (7, 1982883), (21, 660961), (41, 338541), (47, 295323), (49, 283269), (123, 112847), (141, 98441), (147, 94423), (287, 48363), (329, 42189), (343, 40467), (861, 16121), (987, 14063), (1029, 13489), (1927, 7203), (2009, 6909), (2303, 6027), (2401, 5781)]