1245013209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{661889}}^1$

素因数の和:661925

約数の個数: 24

約数和(自身を含む): 2065096800

約数和(自身を除く): 820083591

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 661889, 1985667, 5957001, 7280779, 12575891, 21842337, 37727673, 65527011, 113183019, 138334801, 415004403, 1245013209]

約数ペア:

[(1, 1245013209), (3, 415004403), (9, 138334801), (11, 113183019), (19, 65527011), (33, 37727673), (57, 21842337), (99, 12575891), (171, 7280779), (209, 5957001), (627, 1985667), (1881, 661889)]