27738081

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23173}}^1$

素因数の和:23205

約数の個数: 24

約数和(自身を含む): 48201920

約数和(自身を除く): 20463839

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23173, 69519, 162211, 208557, 440287, 486633, 1320861, 1459899, 3082009, 3962583, 9246027, 27738081]

約数ペア:

[(1, 27738081), (3, 9246027), (7, 3962583), (9, 3082009), (19, 1459899), (21, 1320861), (57, 486633), (63, 440287), (133, 208557), (171, 162211), (399, 69519), (1197, 23173)]