80901387

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{44281}}^1$

素因数の和:44323

約数の個数: 24

約数和(自身を含む): 138159840

約数和(自身を除く): 57258453

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 44281, 132843, 309967, 398529, 929901, 1284149, 2789703, 3852447, 8989043, 11557341, 26967129, 80901387]

約数ペア:

[(1, 80901387), (3, 26967129), (7, 11557341), (9, 8989043), (21, 3852447), (29, 2789703), (63, 1284149), (87, 929901), (203, 398529), (261, 309967), (609, 132843), (1827, 44281)]