128437419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{21503}}^1$

素因数の和:21698

約数の個数: 16

約数和(自身を含む): 187858944

約数和(自身を除く): 59421525

約数列:

[1, 3, 11, 33, 181, 543, 1991, 5973, 21503, 64509, 236533, 709599, 3892043, 11676129, 42812473, 128437419]

約数ペア:

[(1, 128437419), (3, 42812473), (11, 11676129), (33, 3892043), (181, 709599), (543, 236533), (1991, 64509), (5973, 21503)]