216911307

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{12097}}^1$

素因数の和:12282

約数の個数: 16

約数和(自身を含む): 298094720

約数和(自身を除く): 81183413

約数列:

[1, 3, 43, 129, 139, 417, 5977, 12097, 17931, 36291, 520171, 1560513, 1681483, 5044449, 72303769, 216911307]

約数ペア:

[(1, 216911307), (3, 72303769), (43, 5044449), (129, 1681483), (139, 1560513), (417, 520171), (5977, 36291), (12097, 17931)]