2778735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 4730256

約数和(自身を除く): 1951521

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 641, 867, 1445, 1923, 3205, 4335, 9615, 10897, 32691, 54485, 163455, 185249, 555747, 926245, 2778735]

約数ペア:

[(1, 2778735), (3, 926245), (5, 555747), (15, 185249), (17, 163455), (51, 54485), (85, 32691), (255, 10897), (289, 9615), (641, 4335), (867, 3205), (1445, 1923)]