217215243

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 388177920

約数和(自身を除く): 170962677

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 107, 161, 189, 207, 321, 467, 483, 621, 749, 963, 1401, 1449, 2247, 2461, 2889, 3269, 4203, 4347, 6741, 7383, 9807, 10741, 12609, 17227, 20223, 22149, 29421, 32223, 49969, 51681, 66447, 75187, 88263, 96669, 149907, 155043, 225561, 290007, 349783, 449721, 465129, 676683, 1049349, 1149287, 1349163, 2030049, 3148047, 3447861, 8045009, 9444141, 10343583, 24135027, 31030749, 72405081, 217215243]

約数ペア:

[(1, 217215243), (3, 72405081), (7, 31030749), (9, 24135027), (21, 10343583), (23, 9444141), (27, 8045009), (63, 3447861), (69, 3148047), (107, 2030049), (161, 1349163), (189, 1149287), (207, 1049349), (321, 676683), (467, 465129), (483, 449721), (621, 349783), (749, 290007), (963, 225561), (1401, 155043), (1449, 149907), (2247, 96669), (2461, 88263), (2889, 75187), (3269, 66447), (4203, 51681), (4347, 49969), (6741, 32223), (7383, 29421), (9807, 22149), (10741, 20223), (12609, 17227)]