199319985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{260549}}^1$

素因数の和:260577

約数の個数: 24

約数和(自身を含む): 365812200

約数和(自身を除く): 166492215

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 260549, 781647, 1302745, 2344941, 3908235, 4429333, 11724705, 13287999, 22146665, 39863997, 66439995, 199319985]

約数ペア:

[(1, 199319985), (3, 66439995), (5, 39863997), (9, 22146665), (15, 13287999), (17, 11724705), (45, 4429333), (51, 3908235), (85, 2344941), (153, 1302745), (255, 781647), (765, 260549)]