149760981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{80387}}^1$

素因数の和:80422

約数の個数: 20

約数和(自身を含む): 233446752

約数和(自身を除く): 83685771

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 80387, 241161, 723483, 1848901, 2170449, 5546703, 6511347, 16640109, 49920327, 149760981]

約数ペア:

[(1, 149760981), (3, 49920327), (9, 16640109), (23, 6511347), (27, 5546703), (69, 2170449), (81, 1848901), (207, 723483), (621, 241161), (1863, 80387)]