201638367

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 343549440

約数和(自身を除く): 141911073

約数列:

[1, 3, 7, 9, 21, 61, 63, 71, 183, 213, 427, 497, 549, 639, 739, 1281, 1491, 2217, 3843, 4331, 4473, 5173, 6651, 12993, 15519, 30317, 38979, 45079, 46557, 52469, 90951, 135237, 157407, 272853, 315553, 367283, 405711, 472221, 946659, 1101849, 2839977, 3200609, 3305547, 9601827, 22404263, 28805481, 67212789, 201638367]

約数ペア:

[(1, 201638367), (3, 67212789), (7, 28805481), (9, 22404263), (21, 9601827), (61, 3305547), (63, 3200609), (71, 2839977), (183, 1101849), (213, 946659), (427, 472221), (497, 405711), (549, 367283), (639, 315553), (739, 272853), (1281, 157407), (1491, 135237), (2217, 90951), (3843, 52469), (4331, 46557), (4473, 45079), (5173, 38979), (6651, 30317), (12993, 15519)]