81380739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{599}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 124416000

約数和(自身を除く): 43035261

約数列:

[1, 3, 11, 23, 33, 69, 179, 253, 537, 599, 759, 1797, 1969, 4117, 5907, 6589, 12351, 13777, 19767, 41331, 45287, 107221, 135861, 151547, 321663, 454641, 1179431, 2466083, 3538293, 7398249, 27126913, 81380739]

約数ペア:

[(1, 81380739), (3, 27126913), (11, 7398249), (23, 3538293), (33, 2466083), (69, 1179431), (179, 454641), (253, 321663), (537, 151547), (599, 135861), (759, 107221), (1797, 45287), (1969, 41331), (4117, 19767), (5907, 13777), (6589, 12351)]