201573905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 263849400

約数和(自身を除く): 62275495

約数列:

[1, 5, 13, 65, 149, 169, 745, 845, 1601, 1937, 8005, 9685, 20813, 25181, 104065, 125905, 238549, 270569, 1192745, 1352845, 3101137, 15505685, 40314781, 201573905]

約数ペア:

[(1, 201573905), (5, 40314781), (13, 15505685), (65, 3101137), (149, 1352845), (169, 1192745), (745, 270569), (845, 238549), (1601, 125905), (1937, 104065), (8005, 25181), (9685, 20813)]