129123369

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 195552000

約数和(自身を除く): 66428631

約数列:

[1, 3, 9, 27, 71, 193, 213, 349, 579, 639, 1047, 1737, 1917, 3141, 5211, 9423, 13703, 24779, 41109, 67357, 74337, 123327, 202071, 223011, 369981, 606213, 669033, 1818639, 4782347, 14347041, 43041123, 129123369]

約数ペア:

[(1, 129123369), (3, 43041123), (9, 14347041), (27, 4782347), (71, 1818639), (193, 669033), (213, 606213), (349, 369981), (579, 223011), (639, 202071), (1047, 123327), (1737, 74337), (1917, 67357), (3141, 41109), (5211, 24779), (9423, 13703)]