161787411

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 237060720

約数和(自身を除く): 75273309

約数列:

[1, 3, 9, 113, 257, 339, 619, 771, 1017, 1857, 2313, 5571, 29041, 69947, 87123, 159083, 209841, 261369, 477249, 629523, 1431747, 17976379, 53929137, 161787411]

約数ペア:

[(1, 161787411), (3, 53929137), (9, 17976379), (113, 1431747), (257, 629523), (339, 477249), (619, 261369), (771, 209841), (1017, 159083), (1857, 87123), (2313, 69947), (5571, 29041)]