620565519

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{12277}}^1$

素因数の和:12399

約数の個数: 32

約数和(自身を含む): 990097920

約数和(自身を除く): 369532401

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 249, 581, 609, 1743, 2407, 7221, 12277, 16849, 36831, 50547, 85939, 257817, 356033, 1018991, 1068099, 2492231, 3056973, 7132937, 7476693, 21398811, 29550739, 88652217, 206855173, 620565519]

約数ペア:

[(1, 620565519), (3, 206855173), (7, 88652217), (21, 29550739), (29, 21398811), (83, 7476693), (87, 7132937), (203, 3056973), (249, 2492231), (581, 1068099), (609, 1018991), (1743, 356033), (2407, 257817), (7221, 85939), (12277, 50547), (16849, 36831)]