28509429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23581}}^1$

素因数の和:23628

約数の個数: 16

約数和(自身を含む): 42258944

約数和(自身を除く): 13749515

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23581, 70743, 306553, 731011, 919659, 2193033, 9503143, 28509429]

約数ペア:

[(1, 28509429), (3, 9503143), (13, 2193033), (31, 919659), (39, 731011), (93, 306553), (403, 70743), (1209, 23581)]