2280521871

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{258299}}^1$

素因数の和:258420

約数の個数: 20

約数和(自身を含む): 3437973000

約数和(自身を除く): 1157451129

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 258299, 774897, 2324691, 6974073, 20922219, 28154591, 84463773, 253391319, 760173957, 2280521871]

約数ペア:

[(1, 2280521871), (3, 760173957), (9, 253391319), (27, 84463773), (81, 28154591), (109, 20922219), (327, 6974073), (981, 2324691), (2943, 774897), (8829, 258299)]