921791

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 16

約数和(自身を含む): 1086624

約数和(自身を除く): 164833

約数列:

[1, 13, 17, 43, 97, 221, 559, 731, 1261, 1649, 4171, 9503, 21437, 54223, 70907, 921791]

約数ペア:

[(1, 921791), (13, 70907), (17, 54223), (43, 21437), (97, 9503), (221, 4171), (559, 1649), (731, 1261)]