261570243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{72719}}^1$

素因数の和:72842

約数の個数: 16

約数和(自身を含む): 383961600

約数和(自身を除く): 122391357

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 72719, 218157, 799909, 2399727, 7926371, 23779113, 87190081, 261570243]

約数ペア:

[(1, 261570243), (3, 87190081), (11, 23779113), (33, 7926371), (109, 2399727), (327, 799909), (1199, 218157), (3597, 72719)]