207900495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{420001}}^1$

素因数の和:420023

約数の個数: 24

約数和(自身を含む): 393121872

約数和(自身を除く): 185221377

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 420001, 1260003, 2100005, 3780009, 4620011, 6300015, 13860033, 18900045, 23100055, 41580099, 69300165, 207900495]

約数ペア:

[(1, 207900495), (3, 69300165), (5, 41580099), (9, 23100055), (11, 18900045), (15, 13860033), (33, 6300015), (45, 4620011), (55, 3780009), (99, 2100005), (165, 1260003), (495, 420001)]