201890385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263909}}^1$

素因数の和:263937

約数の個数: 24

約数和(自身を含む): 370529640

約数和(自身を除く): 168639255

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 263909, 791727, 1319545, 2375181, 3958635, 4486453, 11875905, 13459359, 22432265, 40378077, 67296795, 201890385]

約数ペア:

[(1, 201890385), (3, 67296795), (5, 40378077), (9, 22432265), (15, 13459359), (17, 11875905), (45, 4486453), (51, 3958635), (85, 2375181), (153, 1319545), (255, 791727), (765, 263909)]