13031979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 19284480

約数和(自身を除く): 6252501

約数列:

[1, 3, 17, 51, 59, 61, 71, 177, 183, 213, 1003, 1037, 1207, 3009, 3111, 3599, 3621, 4189, 4331, 10797, 12567, 12993, 61183, 71213, 73627, 183549, 213639, 220881, 255529, 766587, 4343993, 13031979]

約数ペア:

[(1, 13031979), (3, 4343993), (17, 766587), (51, 255529), (59, 220881), (61, 213639), (71, 183549), (177, 73627), (183, 71213), (213, 61183), (1003, 12993), (1037, 12567), (1207, 10797), (3009, 4331), (3111, 4189), (3599, 3621)]