205651467

素因数分解:

$3^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{947}}^1$

素因数の和:1349

約数の個数: 40

約数和(自身を含む): 352382976

約数和(自身を除く): 146731509

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 383, 567, 947, 1149, 2681, 2841, 3447, 6629, 8043, 8523, 10341, 19887, 24129, 25569, 31023, 59661, 72387, 76707, 178983, 217161, 362701, 536949, 1088103, 2538907, 3264309, 7616721, 9792927, 22850163, 29378781, 68550489, 205651467]

約数ペア:

[(1, 205651467), (3, 68550489), (7, 29378781), (9, 22850163), (21, 9792927), (27, 7616721), (63, 3264309), (81, 2538907), (189, 1088103), (383, 536949), (567, 362701), (947, 217161), (1149, 178983), (2681, 76707), (2841, 72387), (3447, 59661), (6629, 31023), (8043, 25569), (8523, 24129), (10341, 19887)]