291210249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 459841536

約数和(自身を除く): 168631287

約数列:

[1, 3, 11, 31, 33, 41, 53, 93, 123, 131, 159, 341, 393, 451, 583, 1023, 1271, 1353, 1441, 1643, 1749, 2173, 3813, 4061, 4323, 4929, 5371, 6519, 6943, 12183, 13981, 16113, 18073, 20829, 23903, 41943, 44671, 54219, 59081, 67363, 71709, 76373, 134013, 166501, 177243, 202089, 215233, 229119, 284663, 499503, 645699, 740993, 853989, 1831511, 2222979, 2367563, 3131293, 5494533, 7102689, 8824553, 9393879, 26473659, 97070083, 291210249]

約数ペア:

[(1, 291210249), (3, 97070083), (11, 26473659), (31, 9393879), (33, 8824553), (41, 7102689), (53, 5494533), (93, 3131293), (123, 2367563), (131, 2222979), (159, 1831511), (341, 853989), (393, 740993), (451, 645699), (583, 499503), (1023, 284663), (1271, 229119), (1353, 215233), (1441, 202089), (1643, 177243), (1749, 166501), (2173, 134013), (3813, 76373), (4061, 71709), (4323, 67363), (4929, 59081), (5371, 54219), (6519, 44671), (6943, 41943), (12183, 23903), (13981, 20829), (16113, 18073)]