78242415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18049}}^1$

素因数の和:18091

約数の個数: 24

約数和(自身を含む): 132992400

約数和(自身を除く): 54749985

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 18049, 54147, 90245, 270735, 306833, 920499, 1534165, 4602495, 5216161, 15648483, 26080805, 78242415]

約数ペア:

[(1, 78242415), (3, 26080805), (5, 15648483), (15, 5216161), (17, 4602495), (51, 1534165), (85, 920499), (255, 306833), (289, 270735), (867, 90245), (1445, 54147), (4335, 18049)]