13687191

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 23385600

約数和(自身を除く): 9698409

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 521, 973, 1251, 1563, 2919, 3647, 3753, 4689, 8757, 10941, 14067, 26271, 32823, 72419, 98469, 217257, 506933, 651771, 1520799, 1955313, 4562397, 13687191]

約数ペア:

[(1, 13687191), (3, 4562397), (7, 1955313), (9, 1520799), (21, 651771), (27, 506933), (63, 217257), (139, 98469), (189, 72419), (417, 32823), (521, 26271), (973, 14067), (1251, 10941), (1563, 8757), (2919, 4689), (3647, 3753)]