2156827905

素因数分解:

$3^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9011}}^1$

素因数の和:9228

約数の個数: 48

約数和(自身を含む): 3897077184

約数和(自身を除く): 1740249279

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 243, 405, 591, 985, 1215, 1773, 2955, 5319, 8865, 9011, 15957, 26595, 27033, 45055, 47871, 79785, 81099, 135165, 239355, 243297, 405495, 729891, 1216485, 1775167, 2189673, 3649455, 5325501, 8875835, 10948365, 15976503, 26627505, 47929509, 79882515, 143788527, 239647545, 431365581, 718942635, 2156827905]

約数ペア:

[(1, 2156827905), (3, 718942635), (5, 431365581), (9, 239647545), (15, 143788527), (27, 79882515), (45, 47929509), (81, 26627505), (135, 15976503), (197, 10948365), (243, 8875835), (405, 5325501), (591, 3649455), (985, 2189673), (1215, 1775167), (1773, 1216485), (2955, 729891), (5319, 405495), (8865, 243297), (9011, 239355), (15957, 135165), (26595, 81099), (27033, 79785), (45055, 47871)]