31461291

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{1667}}^1$

素因数の和:1912

約数の個数: 20

約数和(自身を含む): 47227752

約数和(自身を除く): 15766461

約数列:

[1, 3, 9, 27, 81, 233, 699, 1667, 2097, 5001, 6291, 15003, 18873, 45009, 135027, 388411, 1165233, 3495699, 10487097, 31461291]

約数ペア:

[(1, 31461291), (3, 10487097), (9, 3495699), (27, 1165233), (81, 388411), (233, 135027), (699, 45009), (1667, 18873), (2097, 15003), (5001, 6291)]