391833

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 648648

約数和(自身を除く): 256815

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 197, 221, 591, 663, 1773, 1989, 2561, 3349, 7683, 10047, 23049, 30141, 43537, 130611, 391833]

約数ペア:

[(1, 391833), (3, 130611), (9, 43537), (13, 30141), (17, 23049), (39, 10047), (51, 7683), (117, 3349), (153, 2561), (197, 1989), (221, 1773), (591, 663)]