1801965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 3211776

約数和(自身を除く): 1409811

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 163, 165, 201, 335, 489, 737, 815, 1005, 1793, 2211, 2445, 3685, 5379, 8965, 10921, 11055, 26895, 32763, 54605, 120131, 163815, 360393, 600655, 1801965]

約数ペア:

[(1, 1801965), (3, 600655), (5, 360393), (11, 163815), (15, 120131), (33, 54605), (55, 32763), (67, 26895), (163, 11055), (165, 10921), (201, 8965), (335, 5379), (489, 3685), (737, 2445), (815, 2211), (1005, 1793)]