51863217

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 87552000

約数和(自身を除く): 35688783

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 589, 599, 651, 931, 1519, 1767, 1797, 2793, 4123, 4193, 4557, 11381, 12369, 12579, 18569, 28861, 29351, 34143, 55707, 79667, 86583, 88053, 129983, 239001, 352811, 389949, 557669, 909881, 1058433, 1673007, 2469677, 2729643, 7409031, 17287739, 51863217]

約数ペア:

[(1, 51863217), (3, 17287739), (7, 7409031), (19, 2729643), (21, 2469677), (31, 1673007), (49, 1058433), (57, 909881), (93, 557669), (133, 389949), (147, 352811), (217, 239001), (399, 129983), (589, 88053), (599, 86583), (651, 79667), (931, 55707), (1519, 34143), (1767, 29351), (1797, 28861), (2793, 18569), (4123, 12579), (4193, 12369), (4557, 11381)]