201997299

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 312339456

約数和(自身を除く): 110342157

約数列:

[1, 3, 7, 21, 157, 197, 311, 471, 591, 933, 1099, 1379, 2177, 3297, 4137, 6531, 30929, 48827, 61267, 92787, 146481, 183801, 216503, 341789, 428869, 649509, 1025367, 1286607, 9618919, 28856757, 67332433, 201997299]

約数ペア:

[(1, 201997299), (3, 67332433), (7, 28856757), (21, 9618919), (157, 1286607), (197, 1025367), (311, 649509), (471, 428869), (591, 341789), (933, 216503), (1099, 183801), (1379, 146481), (2177, 92787), (3297, 61267), (4137, 48827), (6531, 30929)]