51561687

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 75116800

約数和(自身を除く): 23555113

約数列:

[1, 3, 19, 43, 57, 109, 129, 193, 327, 579, 817, 2071, 2451, 3667, 4687, 6213, 8299, 11001, 14061, 21037, 24897, 63111, 89053, 157681, 267159, 399703, 473043, 904591, 1199109, 2713773, 17187229, 51561687]

約数ペア:

[(1, 51561687), (3, 17187229), (19, 2713773), (43, 1199109), (57, 904591), (109, 473043), (129, 399703), (193, 267159), (327, 157681), (579, 89053), (817, 63111), (2071, 24897), (2451, 21037), (3667, 14061), (4687, 11001), (6213, 8299)]