51909195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20477}}^1$

素因数の和:20511

約数の個数: 24

約数和(自身を含む): 89939376

約数和(自身を除く): 38030181

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 20477, 61431, 102385, 266201, 307155, 798603, 1331005, 3460613, 3993015, 10381839, 17303065, 51909195]

約数ペア:

[(1, 51909195), (3, 17303065), (5, 10381839), (13, 3993015), (15, 3460613), (39, 1331005), (65, 798603), (169, 307155), (195, 266201), (507, 102385), (845, 61431), (2535, 20477)]