211031455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 274212864

約数和(自身を除く): 63181409

約数列:

[1, 5, 17, 85, 113, 127, 173, 565, 635, 865, 1921, 2159, 2941, 9605, 10795, 14351, 14705, 19549, 21971, 71755, 97745, 109855, 243967, 332333, 373507, 1219835, 1661665, 1867535, 2482723, 12413615, 42206291, 211031455]

約数ペア:

[(1, 211031455), (5, 42206291), (17, 12413615), (85, 2482723), (113, 1867535), (127, 1661665), (173, 1219835), (565, 373507), (635, 332333), (865, 243967), (1921, 109855), (2159, 97745), (2941, 71755), (9605, 21971), (10795, 19549), (14351, 14705)]