17931231

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5519}}^1$

素因数の和:5563

約数の個数: 18

約数和(自身を含む): 27340560

約数和(自身を除く): 9409329

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5519, 16557, 49671, 104861, 314583, 943749, 1992359, 5977077, 17931231]

約数ペア:

[(1, 17931231), (3, 5977077), (9, 1992359), (19, 943749), (57, 314583), (171, 104861), (361, 49671), (1083, 16557), (3249, 5519)]