12881817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 8032167

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 4787, 14361, 43083, 62231, 110101, 186693, 330303, 560079, 990909, 1431313, 4293939, 12881817]

約数ペア:

[(1, 12881817), (3, 4293939), (9, 1431313), (13, 990909), (23, 560079), (39, 330303), (69, 186693), (117, 110101), (207, 62231), (299, 43083), (897, 14361), (2691, 4787)]