643849713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4909}}^1$

素因数の和:5006

約数の個数: 48

約数和(自身を含む): 1072344000

約数和(自身を除く): 428494287

約数列:

[1, 3, 9, 13, 19, 39, 57, 59, 117, 171, 177, 247, 531, 741, 767, 1121, 2223, 2301, 3363, 4909, 6903, 10089, 14573, 14727, 43719, 44181, 63817, 93271, 131157, 191451, 279813, 289631, 574353, 839439, 868893, 1212523, 2606679, 3637569, 3765203, 5502989, 10912707, 11295609, 16508967, 33886827, 49526901, 71538857, 214616571, 643849713]

約数ペア:

[(1, 643849713), (3, 214616571), (9, 71538857), (13, 49526901), (19, 33886827), (39, 16508967), (57, 11295609), (59, 10912707), (117, 5502989), (171, 3765203), (177, 3637569), (247, 2606679), (531, 1212523), (741, 868893), (767, 839439), (1121, 574353), (2223, 289631), (2301, 279813), (3363, 191451), (4909, 131157), (6903, 93271), (10089, 63817), (14573, 44181), (14727, 43719)]