12691887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{773}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 18291168

約数和(自身を除く): 5599281

約数列:

[1, 3, 13, 39, 421, 773, 1263, 2319, 5473, 10049, 16419, 30147, 325433, 976299, 4230629, 12691887]

約数ペア:

[(1, 12691887), (3, 4230629), (13, 976299), (39, 325433), (421, 30147), (773, 16419), (1263, 10049), (2319, 5473)]