213672129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 317011968

約数和(自身を除く): 103339839

約数列:

[1, 3, 11, 33, 83, 181, 249, 431, 543, 913, 1293, 1991, 2739, 4741, 5973, 14223, 15023, 35773, 45069, 78011, 107319, 165253, 234033, 393503, 495759, 858121, 1180509, 2574363, 6474913, 19424739, 71224043, 213672129]

約数ペア:

[(1, 213672129), (3, 71224043), (11, 19424739), (33, 6474913), (83, 2574363), (181, 1180509), (249, 858121), (431, 495759), (543, 393503), (913, 234033), (1293, 165253), (1991, 107319), (2739, 78011), (4741, 45069), (5973, 35773), (14223, 15023)]