2690505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3517}}^1$

素因数の和:3545

約数の個数: 24

約数和(自身を含む): 4939272

約数和(自身を除く): 2248767

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 3517, 10551, 17585, 31653, 52755, 59789, 158265, 179367, 298945, 538101, 896835, 2690505]

約数ペア:

[(1, 2690505), (3, 896835), (5, 538101), (9, 298945), (15, 179367), (17, 158265), (45, 59789), (51, 52755), (85, 31653), (153, 17585), (255, 10551), (765, 3517)]