201945717

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 309058200

約数和(自身を除く): 107112483

約数列:

[1, 3, 9, 27, 81, 89, 109, 257, 267, 327, 771, 801, 981, 2313, 2403, 2943, 6939, 7209, 8829, 9701, 20817, 22873, 28013, 29103, 68619, 84039, 87309, 205857, 252117, 261927, 617571, 756351, 785781, 1852713, 2269053, 2493157, 7479471, 22438413, 67315239, 201945717]

約数ペア:

[(1, 201945717), (3, 67315239), (9, 22438413), (27, 7479471), (81, 2493157), (89, 2269053), (109, 1852713), (257, 785781), (267, 756351), (327, 617571), (771, 261927), (801, 252117), (981, 205857), (2313, 87309), (2403, 84039), (2943, 68619), (6939, 29103), (7209, 28013), (8829, 22873), (9701, 20817)]