131581149

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{216061}}^1$

素因数の和:216100

約数の個数: 16

約数和(自身を含む): 207419520

約数和(自身を除く): 75838371

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 216061, 648183, 1512427, 4537281, 6265769, 18797307, 43860383, 131581149]

約数ペア:

[(1, 131581149), (3, 43860383), (7, 18797307), (21, 6265769), (29, 4537281), (87, 1512427), (203, 648183), (609, 216061)]