245635971

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2837}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 414120960

約数和(自身を除く): 168484989

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 589, 651, 931, 1519, 1767, 2793, 2837, 4123, 4557, 8511, 12369, 19859, 28861, 53903, 59577, 86583, 87947, 139013, 161709, 263841, 377321, 417039, 615629, 1131963, 1670993, 1846887, 2641247, 4309403, 5012979, 7923741, 11696951, 12928209, 35090853, 81878657, 245635971]

約数ペア:

[(1, 245635971), (3, 81878657), (7, 35090853), (19, 12928209), (21, 11696951), (31, 7923741), (49, 5012979), (57, 4309403), (93, 2641247), (133, 1846887), (147, 1670993), (217, 1131963), (399, 615629), (589, 417039), (651, 377321), (931, 263841), (1519, 161709), (1767, 139013), (2793, 87947), (2837, 86583), (4123, 59577), (4557, 53903), (8511, 28861), (12369, 19859)]