87864669

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 139776000

約数和(自身を除く): 51911331

約数列:

[1, 3, 9, 23, 27, 69, 79, 81, 199, 207, 237, 243, 597, 621, 711, 1791, 1817, 1863, 2133, 4577, 5373, 5451, 5589, 6399, 13731, 15721, 16119, 16353, 19197, 41193, 47163, 48357, 49059, 123579, 141489, 147177, 361583, 370737, 424467, 441531, 1084749, 1112211, 1273401, 3254247, 3820203, 9762741, 29288223, 87864669]

約数ペア:

[(1, 87864669), (3, 29288223), (9, 9762741), (23, 3820203), (27, 3254247), (69, 1273401), (79, 1112211), (81, 1084749), (199, 441531), (207, 424467), (237, 370737), (243, 361583), (597, 147177), (621, 141489), (711, 123579), (1791, 49059), (1817, 48357), (1863, 47163), (2133, 41193), (4577, 19197), (5373, 16353), (5451, 16119), (5589, 15721), (6399, 13731)]