131940819

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{4253}}^1$

素因数の和:4648

約数の個数: 20

約数和(自身を含む): 197657856

約数和(自身を除く): 65717037

約数列:

[1, 3, 9, 27, 81, 383, 1149, 3447, 4253, 10341, 12759, 31023, 38277, 114831, 344493, 1628899, 4886697, 14660091, 43980273, 131940819]

約数ペア:

[(1, 131940819), (3, 43980273), (9, 14660091), (27, 4886697), (81, 1628899), (383, 344493), (1149, 114831), (3447, 38277), (4253, 31023), (10341, 12759)]