81107523

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67759}}^1$

素因数の和:67791

約数の個数: 24

約数和(自身を含む): 140940800

約数和(自身を除く): 59833277

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 67759, 203277, 474313, 609831, 1287421, 1422939, 3862263, 4268817, 9011947, 11586789, 27035841, 81107523]

約数ペア:

[(1, 81107523), (3, 27035841), (7, 11586789), (9, 9011947), (19, 4268817), (21, 3862263), (57, 1422939), (63, 1287421), (133, 609831), (171, 474313), (399, 203277), (1197, 67759)]