207480861

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 371779200

約数和(自身を除く): 164298339

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 149, 161, 207, 217, 279, 447, 483, 651, 713, 961, 1043, 1341, 1449, 1953, 2139, 2883, 3129, 3427, 4619, 4991, 6417, 6727, 8649, 9387, 10281, 13857, 14973, 20181, 22103, 23989, 30843, 32333, 41571, 44919, 60543, 66309, 71967, 96999, 106237, 143189, 154721, 198927, 215901, 290997, 318711, 429567, 464163, 743659, 956133, 1002323, 1288701, 1392489, 2230977, 3006969, 3293347, 6692931, 9020907, 9880041, 23053429, 29640123, 69160287, 207480861]

約数ペア:

[(1, 207480861), (3, 69160287), (7, 29640123), (9, 23053429), (21, 9880041), (23, 9020907), (31, 6692931), (63, 3293347), (69, 3006969), (93, 2230977), (149, 1392489), (161, 1288701), (207, 1002323), (217, 956133), (279, 743659), (447, 464163), (483, 429567), (651, 318711), (713, 290997), (961, 215901), (1043, 198927), (1341, 154721), (1449, 143189), (1953, 106237), (2139, 96999), (2883, 71967), (3129, 66309), (3427, 60543), (4619, 44919), (4991, 41571), (6417, 32333), (6727, 30843), (8649, 23989), (9387, 22103), (10281, 20181), (13857, 14973)]