78156117

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 125919360

約数和(自身を除く): 47763243

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 321, 351, 963, 1391, 2081, 2889, 4173, 6243, 12519, 18729, 27053, 37557, 56187, 81159, 222667, 243477, 668001, 730431, 2004003, 2894671, 6012009, 8684013, 26052039, 78156117]

約数ペア:

[(1, 78156117), (3, 26052039), (9, 8684013), (13, 6012009), (27, 2894671), (39, 2004003), (107, 730431), (117, 668001), (321, 243477), (351, 222667), (963, 81159), (1391, 56187), (2081, 37557), (2889, 27053), (4173, 18729), (6243, 12519)]