240291261

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 416386048

約数和(自身を除く): 176094787

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 279, 427, 549, 651, 1281, 1891, 1953, 2017, 3843, 5673, 6051, 13237, 14119, 17019, 18153, 39711, 42357, 62527, 119133, 123037, 127071, 187581, 369111, 437689, 562743, 861259, 1107333, 1313067, 2583777, 3814147, 3939201, 7751331, 11442441, 26699029, 34327323, 80097087, 240291261]

約数ペア:

[(1, 240291261), (3, 80097087), (7, 34327323), (9, 26699029), (21, 11442441), (31, 7751331), (61, 3939201), (63, 3814147), (93, 2583777), (183, 1313067), (217, 1107333), (279, 861259), (427, 562743), (549, 437689), (651, 369111), (1281, 187581), (1891, 127071), (1953, 123037), (2017, 119133), (3843, 62527), (5673, 42357), (6051, 39711), (13237, 18153), (14119, 17019)]