221428995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{868349}}^1$

素因数の和:868374

約数の個数: 16

約数和(自身を含む): 375127200

約数和(自身を除く): 153698205

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 868349, 2605047, 4341745, 13025235, 14761933, 44285799, 73809665, 221428995]

約数ペア:

[(1, 221428995), (3, 73809665), (5, 44285799), (15, 14761933), (17, 13025235), (51, 4341745), (85, 2605047), (255, 868349)]