3999861

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 6621120

約数和(自身を除く): 2621259

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 113, 171, 207, 339, 437, 513, 621, 1017, 1311, 1539, 1863, 2147, 2599, 3051, 3933, 6441, 7797, 9153, 11799, 19323, 23391, 35397, 49381, 57969, 70173, 148143, 173907, 210519, 444429, 1333287, 3999861]

約数ペア:

[(1, 3999861), (3, 1333287), (9, 444429), (19, 210519), (23, 173907), (27, 148143), (57, 70173), (69, 57969), (81, 49381), (113, 35397), (171, 23391), (207, 19323), (339, 11799), (437, 9153), (513, 7797), (621, 6441), (1017, 3933), (1311, 3051), (1539, 2599), (1863, 2147)]