211399419

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15511}}^1$

素因数の和:15591

約数の個数: 32

約数和(自身を含む): 357396480

約数和(自身を除く): 145997061

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 4543, 13629, 15511, 46533, 108577, 170621, 325731, 511863, 915149, 1194347, 2745447, 3583041, 6406043, 10066639, 19218129, 30199917, 70466473, 211399419]

約数ペア:

[(1, 211399419), (3, 70466473), (7, 30199917), (11, 19218129), (21, 10066639), (33, 6406043), (59, 3583041), (77, 2745447), (177, 1194347), (231, 915149), (413, 511863), (649, 325731), (1239, 170621), (1947, 108577), (4543, 46533), (13629, 15511)]