217291809

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 366336000

約数和(自身を除く): 149044191

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 89, 133, 203, 211, 267, 399, 551, 609, 623, 633, 1477, 1653, 1691, 1869, 2581, 3857, 4009, 4431, 5073, 6119, 7743, 11571, 11837, 12027, 18067, 18357, 18779, 28063, 35511, 42833, 49039, 54201, 56337, 84189, 116261, 128499, 131453, 147117, 343273, 348783, 356801, 394359, 544591, 813827, 1029819, 1070403, 1633773, 2441481, 2497607, 3812137, 7492821, 10347229, 11436411, 31041687, 72430603, 217291809]

約数ペア:

[(1, 217291809), (3, 72430603), (7, 31041687), (19, 11436411), (21, 10347229), (29, 7492821), (57, 3812137), (87, 2497607), (89, 2441481), (133, 1633773), (203, 1070403), (211, 1029819), (267, 813827), (399, 544591), (551, 394359), (609, 356801), (623, 348783), (633, 343273), (1477, 147117), (1653, 131453), (1691, 128499), (1869, 116261), (2581, 84189), (3857, 56337), (4009, 54201), (4431, 49039), (5073, 42833), (6119, 35511), (7743, 28063), (11571, 18779), (11837, 18357), (12027, 18067)]