31251297

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2293}}^1$

素因数の和:2373

約数の個数: 32

約数和(自身を含む): 52853760

約数和(自身を除く): 21602463

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 2293, 4543, 6879, 13629, 16051, 25223, 48153, 75669, 135287, 176561, 405861, 529683, 947009, 1488157, 2841027, 4464471, 10417099, 31251297]

約数ペア:

[(1, 31251297), (3, 10417099), (7, 4464471), (11, 2841027), (21, 1488157), (33, 947009), (59, 529683), (77, 405861), (177, 176561), (231, 135287), (413, 75669), (649, 48153), (1239, 25223), (1947, 16051), (2293, 13629), (4543, 6879)]