40890087

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22381}}^1$

素因数の和:22423

約数の個数: 24

約数和(自身を含む): 69831840

約数和(自身を除く): 28941753

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 22381, 67143, 156667, 201429, 470001, 649049, 1410003, 1947147, 4543343, 5841441, 13630029, 40890087]

約数ペア:

[(1, 40890087), (3, 13630029), (7, 5841441), (9, 4543343), (21, 1947147), (29, 1410003), (63, 649049), (87, 470001), (203, 201429), (261, 156667), (609, 67143), (1827, 22381)]