2018987925

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{246971}}^1$

素因数の和:247093

約数の個数: 24

約数和(自身を含む): 3368698080

約数和(自身を除く): 1349710155

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 8175, 246971, 740913, 1234855, 3704565, 6174275, 18522825, 26919839, 80759517, 134599195, 403797585, 672995975, 2018987925]

約数ペア:

[(1, 2018987925), (3, 672995975), (5, 403797585), (15, 134599195), (25, 80759517), (75, 26919839), (109, 18522825), (327, 6174275), (545, 3704565), (1635, 1234855), (2725, 740913), (8175, 246971)]