221562243

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{50969}}^1$

素因数の和:51008

約数の個数: 32

約数和(自身を含む): 391449600

約数和(自身を除く): 169887357

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 50969, 152907, 356783, 458721, 1070349, 1172287, 1376163, 3211047, 3516861, 8206009, 9633141, 10550583, 24618027, 31651749, 73854081, 221562243]

約数ペア:

[(1, 221562243), (3, 73854081), (7, 31651749), (9, 24618027), (21, 10550583), (23, 9633141), (27, 8206009), (63, 3516861), (69, 3211047), (161, 1376163), (189, 1172287), (207, 1070349), (483, 458721), (621, 356783), (1449, 152907), (4347, 50969)]