51540723

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 84913920

約数和(自身を除く): 33373197

約数列:

[1, 3, 9, 13, 23, 39, 69, 107, 117, 179, 207, 299, 321, 537, 897, 963, 1391, 1611, 2327, 2461, 2691, 4117, 4173, 6981, 7383, 12351, 12519, 19153, 20943, 22149, 31993, 37053, 53521, 57459, 95979, 160563, 172377, 248989, 287937, 440519, 481689, 746967, 1321557, 2240901, 3964671, 5726747, 17180241, 51540723]

約数ペア:

[(1, 51540723), (3, 17180241), (9, 5726747), (13, 3964671), (23, 2240901), (39, 1321557), (69, 746967), (107, 481689), (117, 440519), (179, 287937), (207, 248989), (299, 172377), (321, 160563), (537, 95979), (897, 57459), (963, 53521), (1391, 37053), (1611, 31993), (2327, 22149), (2461, 20943), (2691, 19153), (4117, 12519), (4173, 12351), (6981, 7383)]