12806145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 24845184

約数和(自身を除く): 12039039

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 369, 451, 495, 615, 631, 1353, 1845, 1893, 2255, 3155, 4059, 5679, 6765, 6941, 9465, 20295, 20823, 25871, 28395, 34705, 62469, 77613, 104115, 129355, 232839, 284581, 312345, 388065, 853743, 1164195, 1422905, 2561229, 4268715, 12806145]

約数ペア:

[(1, 12806145), (3, 4268715), (5, 2561229), (9, 1422905), (11, 1164195), (15, 853743), (33, 388065), (41, 312345), (45, 284581), (55, 232839), (99, 129355), (123, 104115), (165, 77613), (205, 62469), (369, 34705), (451, 28395), (495, 25871), (615, 20823), (631, 20295), (1353, 9465), (1845, 6941), (1893, 6765), (2255, 5679), (3155, 4059)]