1981473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 3033408

約数和(自身を除く): 1051935

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 611, 897, 1081, 1833, 2209, 3243, 6627, 14053, 28717, 42159, 50807, 86151, 152421, 660491, 1981473]

約数ペア:

[(1, 1981473), (3, 660491), (13, 152421), (23, 86151), (39, 50807), (47, 42159), (69, 28717), (141, 14053), (299, 6627), (611, 3243), (897, 2209), (1081, 1833)]