81137421

素因数分解:

$3^2\times {\mathrm{503}}^1\times {\mathrm{17923}}^1$

素因数の和:18432

約数の個数: 12

約数和(自身を含む): 117438048

約数和(自身を除く): 36300627

約数列:

[1, 3, 9, 503, 1509, 4527, 17923, 53769, 161307, 9015269, 27045807, 81137421]

約数ペア:

[(1, 81137421), (3, 27045807), (9, 9015269), (503, 161307), (1509, 53769), (4527, 17923)]