201121575

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{43961}}^1$

素因数の和:44035

約数の個数: 24

約数和(自身を含む): 337979856

約数和(自身を除く): 136858281

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 43961, 131883, 219805, 659415, 1099025, 2681621, 3297075, 8044863, 13408105, 40224315, 67040525, 201121575]

約数ペア:

[(1, 201121575), (3, 67040525), (5, 40224315), (15, 13408105), (25, 8044863), (61, 3297075), (75, 2681621), (183, 1099025), (305, 659415), (915, 219805), (1525, 131883), (4575, 43961)]