51332281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 72576000

約数和(自身を除く): 21243719

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2699, 2717, 18893, 19019, 29689, 35087, 51281, 207823, 245609, 358967, 385957, 564091, 666653, 2701699, 3948637, 4666571, 7333183, 51332281]

約数ペア:

[(1, 51332281), (7, 7333183), (11, 4666571), (13, 3948637), (19, 2701699), (77, 666653), (91, 564091), (133, 385957), (143, 358967), (209, 245609), (247, 207823), (1001, 51281), (1463, 35087), (1729, 29689), (2699, 19019), (2717, 18893)]