1818243

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 3328000

約数和(自身を除く): 1509757

約数列:

[1, 3, 7, 9, 19, 21, 31, 49, 57, 63, 93, 133, 147, 171, 217, 279, 343, 399, 441, 589, 651, 931, 1029, 1197, 1519, 1767, 1953, 2793, 3087, 4123, 4557, 5301, 6517, 8379, 10633, 12369, 13671, 19551, 28861, 31899, 37107, 58653, 86583, 95697, 202027, 259749, 606081, 1818243]

約数ペア:

[(1, 1818243), (3, 606081), (7, 259749), (9, 202027), (19, 95697), (21, 86583), (31, 58653), (49, 37107), (57, 31899), (63, 28861), (93, 19551), (133, 13671), (147, 12369), (171, 10633), (217, 8379), (279, 6517), (343, 5301), (399, 4557), (441, 4123), (589, 3087), (651, 2793), (931, 1953), (1029, 1767), (1197, 1519)]