203787981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{109387}}^1$

素因数の和:109422

約数の個数: 20

約数和(自身を含む): 317662752

約数和(自身を除く): 113874771

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 109387, 328161, 984483, 2515901, 2953449, 7547703, 8860347, 22643109, 67929327, 203787981]

約数ペア:

[(1, 203787981), (3, 67929327), (9, 22643109), (23, 8860347), (27, 7547703), (69, 2953449), (81, 2515901), (207, 984483), (621, 328161), (1863, 109387)]