3890115

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 6802848

約数和(自身を除く): 2912733

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 631, 685, 1233, 1893, 2055, 3155, 5679, 6165, 9465, 28395, 86447, 259341, 432235, 778023, 1296705, 3890115]

約数ペア:

[(1, 3890115), (3, 1296705), (5, 778023), (9, 432235), (15, 259341), (45, 86447), (137, 28395), (411, 9465), (631, 6165), (685, 5679), (1233, 3155), (1893, 2055)]