205333863

素因数分解:

$3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 339763200

約数和(自身を除く): 134429337

約数列:

[1, 3, 7, 21, 31, 41, 49, 93, 123, 147, 157, 217, 287, 343, 471, 651, 861, 1029, 1099, 1271, 1519, 2009, 3297, 3813, 4557, 4867, 6027, 6437, 7693, 8897, 10633, 14063, 14601, 19311, 23079, 26691, 31899, 34069, 42189, 45059, 53851, 62279, 102207, 135177, 161553, 186837, 199547, 238483, 315413, 435953, 598641, 715449, 946239, 1307859, 1396829, 1669381, 2207891, 4190487, 5008143, 6623673, 9777803, 29333409, 68444621, 205333863]

約数ペア:

[(1, 205333863), (3, 68444621), (7, 29333409), (21, 9777803), (31, 6623673), (41, 5008143), (49, 4190487), (93, 2207891), (123, 1669381), (147, 1396829), (157, 1307859), (217, 946239), (287, 715449), (343, 598641), (471, 435953), (651, 315413), (861, 238483), (1029, 199547), (1099, 186837), (1271, 161553), (1519, 135177), (2009, 102207), (3297, 62279), (3813, 53851), (4557, 45059), (4867, 42189), (6027, 34069), (6437, 31899), (7693, 26691), (8897, 23079), (10633, 19311), (14063, 14601)]