128681421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{13877}}^1$

素因数の和:14172

約数の個数: 16

約数和(自身を含む): 187852608

約数和(自身を除く): 59171187

約数列:

[1, 3, 11, 33, 281, 843, 3091, 9273, 13877, 41631, 152647, 457941, 3899437, 11698311, 42893807, 128681421]

約数ペア:

[(1, 128681421), (3, 42893807), (11, 11698311), (33, 3899437), (281, 457941), (843, 152647), (3091, 41631), (9273, 13877)]