1778889

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 2949120

約数和(自身を除く): 1170231

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 127, 161, 203, 381, 483, 609, 667, 889, 2001, 2667, 2921, 3683, 4669, 8763, 11049, 14007, 20447, 25781, 61341, 77343, 84709, 254127, 592963, 1778889]

約数ペア:

[(1, 1778889), (3, 592963), (7, 254127), (21, 84709), (23, 77343), (29, 61341), (69, 25781), (87, 20447), (127, 14007), (161, 11049), (203, 8763), (381, 4669), (483, 3683), (609, 2921), (667, 2667), (889, 2001)]