747747987

素因数分解:

$3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{11329}}^1$

素因数の和:11795

約数の個数: 24

約数和(自身を含む): 1162458000

約数和(自身を除く): 414710013

約数列:

[1, 3, 7, 21, 49, 147, 449, 1347, 3143, 9429, 11329, 22001, 33987, 66003, 79303, 237909, 555121, 1665363, 5086721, 15260163, 35607047, 106821141, 249249329, 747747987]

約数ペア:

[(1, 747747987), (3, 249249329), (7, 106821141), (21, 35607047), (49, 15260163), (147, 5086721), (449, 1665363), (1347, 555121), (3143, 237909), (9429, 79303), (11329, 66003), (22001, 33987)]