252135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 471744

約数和(自身を除く): 219609

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 431, 585, 1293, 2155, 3879, 5603, 6465, 16809, 19395, 28015, 50427, 84045, 252135]

約数ペア:

[(1, 252135), (3, 84045), (5, 50427), (9, 28015), (13, 19395), (15, 16809), (39, 6465), (45, 5603), (65, 3879), (117, 2155), (195, 1293), (431, 585)]