278312067

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{4253}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 439319088

約数和(自身を除く): 161007021

約数列:

[1, 3, 9, 11, 33, 99, 661, 1983, 4253, 5949, 7271, 12759, 21813, 38277, 46783, 65439, 140349, 421047, 2811233, 8433699, 25301097, 30923563, 92770689, 278312067]

約数ペア:

[(1, 278312067), (3, 92770689), (9, 30923563), (11, 25301097), (33, 8433699), (99, 2811233), (661, 421047), (1983, 140349), (4253, 65439), (5949, 46783), (7271, 38277), (12759, 21813)]