2011959

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 20

約数和(自身を含む): 3063720

約数和(自身を除く): 1051761

約数列:

[1, 3, 9, 27, 59, 81, 177, 421, 531, 1263, 1593, 3789, 4779, 11367, 24839, 34101, 74517, 223551, 670653, 2011959]

約数ペア:

[(1, 2011959), (3, 670653), (9, 223551), (27, 74517), (59, 34101), (81, 24839), (177, 11367), (421, 4779), (531, 3789), (1263, 1593)]