40905921

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67169}}^1$

素因数の和:67208

約数の個数: 16

約数和(自身を含む): 64483200

約数和(自身を除く): 23577279

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 67169, 201507, 470183, 1410549, 1947901, 5843703, 13635307, 40905921]

約数ペア:

[(1, 40905921), (3, 13635307), (7, 5843703), (21, 1947901), (29, 1410549), (87, 470183), (203, 201507), (609, 67169)]