78840009

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{6427}}^1$

素因数の和:6509

約数の個数: 24

約数和(自身を含む): 120332160

約数和(自身を除く): 41492151

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 4089, 6427, 12267, 19281, 57843, 186383, 302069, 559149, 906207, 1677447, 2718621, 8760001, 26280003, 78840009]

約数ペア:

[(1, 78840009), (3, 26280003), (9, 8760001), (29, 2718621), (47, 1677447), (87, 906207), (141, 559149), (261, 302069), (423, 186383), (1363, 57843), (4089, 19281), (6427, 12267)]