404655939

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21319}}^1$

素因数の和:21384

約数の個数: 32

約数和(自身を含む): 648128000

約数和(自身を除く): 243472061

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 703, 999, 2109, 6327, 18981, 21319, 63957, 191871, 405061, 575613, 788803, 1215183, 2366409, 3645549, 7099227, 10936647, 14987257, 21297681, 44961771, 134885313, 404655939]

約数ペア:

[(1, 404655939), (3, 134885313), (9, 44961771), (19, 21297681), (27, 14987257), (37, 10936647), (57, 7099227), (111, 3645549), (171, 2366409), (333, 1215183), (513, 788803), (703, 575613), (999, 405061), (2109, 191871), (6327, 63957), (18981, 21319)]