31951293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 17469507

約数列:

[1, 3, 11, 19, 33, 57, 131, 209, 389, 393, 627, 1167, 1441, 2489, 4279, 4323, 7391, 7467, 12837, 22173, 27379, 50959, 81301, 82137, 152877, 243903, 560549, 968221, 1681647, 2904663, 10650431, 31951293]

約数ペア:

[(1, 31951293), (3, 10650431), (11, 2904663), (19, 1681647), (33, 968221), (57, 560549), (131, 243903), (209, 152877), (389, 82137), (393, 81301), (627, 50959), (1167, 27379), (1441, 22173), (2489, 12837), (4279, 7467), (4323, 7391)]