220043439

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2077

約数の個数: 64

約数和(自身を含む): 414305280

約数和(自身を除く): 194261841

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 63, 77, 99, 159, 189, 231, 297, 371, 477, 583, 693, 1113, 1431, 1749, 1997, 2079, 3339, 4081, 5247, 5991, 10017, 12243, 13979, 15741, 17973, 21967, 36729, 41937, 53919, 65901, 105841, 110187, 125811, 153769, 197703, 317523, 377433, 461307, 593109, 740887, 952569, 1164251, 1383921, 2222661, 2857707, 3492753, 4151763, 6667983, 8149757, 10478259, 20003949, 24449271, 31434777, 73347813, 220043439]

約数ペア:

[(1, 220043439), (3, 73347813), (7, 31434777), (9, 24449271), (11, 20003949), (21, 10478259), (27, 8149757), (33, 6667983), (53, 4151763), (63, 3492753), (77, 2857707), (99, 2222661), (159, 1383921), (189, 1164251), (231, 952569), (297, 740887), (371, 593109), (477, 461307), (583, 377433), (693, 317523), (1113, 197703), (1431, 153769), (1749, 125811), (1997, 110187), (2079, 105841), (3339, 65901), (4081, 53919), (5247, 41937), (5991, 36729), (10017, 21967), (12243, 17973), (13979, 15741)]