201213551

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1549}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 256568400

約数和(自身を除く): 55354849

約数列:

[1, 7, 11, 49, 77, 241, 539, 1549, 1687, 2651, 10843, 11809, 17039, 18557, 75901, 119273, 129899, 373309, 834911, 2613163, 4106399, 18292141, 28744793, 201213551]

約数ペア:

[(1, 201213551), (7, 28744793), (11, 18292141), (49, 4106399), (77, 2613163), (241, 834911), (539, 373309), (1549, 129899), (1687, 119273), (2651, 75901), (10843, 18557), (11809, 17039)]