28170423

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15121}}^1$

素因数の和:15156

約数の個数: 20

約数和(自身を含む): 43914288

約数和(自身を除く): 15743865

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15121, 45363, 136089, 347783, 408267, 1043349, 1224801, 3130047, 9390141, 28170423]

約数ペア:

[(1, 28170423), (3, 9390141), (9, 3130047), (23, 1224801), (27, 1043349), (69, 408267), (81, 347783), (207, 136089), (621, 45363), (1863, 15121)]