11920131

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 18018000

約数和(自身を除く): 6097869

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 419, 981, 1257, 3161, 3771, 9483, 12151, 28449, 36453, 45671, 109359, 137013, 411039, 1324459, 3973377, 11920131]

約数ペア:

[(1, 11920131), (3, 3973377), (9, 1324459), (29, 411039), (87, 137013), (109, 109359), (261, 45671), (327, 36453), (419, 28449), (981, 12151), (1257, 9483), (3161, 3771)]