2548215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 4678128

約数和(自身を除く): 2129913

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 3331, 9993, 16655, 29979, 49965, 56627, 149895, 169881, 283135, 509643, 849405, 2548215]

約数ペア:

[(1, 2548215), (3, 849405), (5, 509643), (9, 283135), (15, 169881), (17, 149895), (45, 56627), (51, 49965), (85, 29979), (153, 16655), (255, 9993), (765, 3331)]