399442947

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 575424000

約数和(自身を除く): 175981053

約数列:

[1, 3, 19, 57, 71, 89, 213, 267, 1109, 1349, 1691, 3327, 4047, 5073, 6319, 18957, 21071, 63213, 78739, 98701, 120061, 236217, 296103, 360183, 1496041, 1875319, 4488123, 5625957, 7007771, 21023313, 133147649, 399442947]

約数ペア:

[(1, 399442947), (3, 133147649), (19, 21023313), (57, 7007771), (71, 5625957), (89, 4488123), (213, 1875319), (267, 1496041), (1109, 360183), (1349, 296103), (1691, 236217), (3327, 120061), (4047, 98701), (5073, 78739), (6319, 63213), (18957, 21071)]