12145905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15877}}^1$

素因数の和:15905

約数の個数: 24

約数和(自身を含む): 22292712

約数和(自身を除く): 10146807

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 15877, 47631, 79385, 142893, 238155, 269909, 714465, 809727, 1349545, 2429181, 4048635, 12145905]

約数ペア:

[(1, 12145905), (3, 4048635), (5, 2429181), (9, 1349545), (15, 809727), (17, 714465), (45, 269909), (51, 238155), (85, 142893), (153, 79385), (255, 47631), (765, 15877)]