12921519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8081}}^1$

素因数の和:8138

約数の個数: 16

約数和(自身を含む): 19008864

約数和(自身を除く): 6087345

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 8081, 24243, 105053, 315159, 331321, 993963, 4307173, 12921519]

約数ペア:

[(1, 12921519), (3, 4307173), (13, 993963), (39, 331321), (41, 315159), (123, 105053), (533, 24243), (1599, 8081)]