20121479991

素因数分解:

$3^2\times {\mathrm{42677}}^1\times {\mathrm{52387}}^1$

素因数の和:95070

約数の個数: 12

約数和(自身を含む): 29065595832

約数和(自身を除く): 8944115841

約数列:

[1, 3, 9, 42677, 52387, 128031, 157161, 384093, 471483, 2235719999, 6707159997, 20121479991]

約数ペア:

[(1, 20121479991), (3, 6707159997), (9, 2235719999), (42677, 471483), (52387, 384093), (128031, 157161)]