123618781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 155143296

約数和(自身を除く): 31524515

約数列:

[1, 11, 13, 17, 143, 187, 211, 221, 241, 2321, 2431, 2651, 2743, 3133, 3587, 4097, 30173, 34463, 39457, 45067, 46631, 50851, 53261, 512941, 559361, 585871, 661063, 864467, 7271693, 9509137, 11238071, 123618781]

約数ペア:

[(1, 123618781), (11, 11238071), (13, 9509137), (17, 7271693), (143, 864467), (187, 661063), (211, 585871), (221, 559361), (241, 512941), (2321, 53261), (2431, 50851), (2651, 46631), (2743, 45067), (3133, 39457), (3587, 34463), (4097, 30173)]