55638609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 82252800

約数和(自身を除く): 26614191

約数列:

[1, 3, 13, 39, 67, 107, 199, 201, 321, 597, 871, 1391, 2587, 2613, 4173, 7169, 7761, 13333, 21293, 21507, 39999, 63879, 93197, 173329, 276809, 279591, 519987, 830427, 1426631, 4279893, 18546203, 55638609]

約数ペア:

[(1, 55638609), (3, 18546203), (13, 4279893), (39, 1426631), (67, 830427), (107, 519987), (199, 279591), (201, 276809), (321, 173329), (597, 93197), (871, 63879), (1391, 39999), (2587, 21507), (2613, 21293), (4173, 13333), (7169, 7761)]