201858255

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263867}}^1$

素因数の和:263895

約数の個数: 24

約数和(自身を含む): 370470672

約数和(自身を除く): 168612417

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 263867, 791601, 1319335, 2374803, 3958005, 4485739, 11874015, 13457217, 22428695, 40371651, 67286085, 201858255]

約数ペア:

[(1, 201858255), (3, 67286085), (5, 40371651), (9, 22428695), (15, 13457217), (17, 11874015), (45, 4485739), (51, 3958005), (85, 2374803), (153, 1319335), (255, 791601), (765, 263867)]