2561091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 3720864

約数和(自身を除く): 1159773

約数列:

[1, 3, 13, 39, 97, 291, 677, 1261, 2031, 3783, 8801, 26403, 65669, 197007, 853697, 2561091]

約数ペア:

[(1, 2561091), (3, 853697), (13, 197007), (39, 65669), (97, 26403), (291, 8801), (677, 3783), (1261, 2031)]