13938381

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 21775520

約数和(自身を除く): 7837139

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 2203, 6327, 6609, 19827, 41857, 81511, 125571, 244533, 376713, 733599, 1548709, 4646127, 13938381]

約数ペア:

[(1, 13938381), (3, 4646127), (9, 1548709), (19, 733599), (37, 376713), (57, 244533), (111, 125571), (171, 81511), (333, 41857), (703, 19827), (2109, 6609), (2203, 6327)]