123781147

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{2837}}^1$

素因数の和:3138

約数の個数: 16

約数和(自身を含む): 148211712

約数和(自身を除く): 24430565

約数列:

[1, 7, 23, 161, 271, 1897, 2837, 6233, 19859, 43631, 65251, 456757, 768827, 5381789, 17683021, 123781147]

約数ペア:

[(1, 123781147), (7, 17683021), (23, 5381789), (161, 768827), (271, 456757), (1897, 65251), (2837, 43631), (6233, 19859)]