9872291

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 12773376

約数和(自身を除く): 2901085

約数列:

[1, 11, 13, 17, 31, 131, 143, 187, 221, 341, 403, 527, 1441, 1703, 2227, 2431, 4061, 4433, 5797, 6851, 18733, 24497, 28951, 44671, 52793, 69037, 75361, 318461, 580723, 759407, 897481, 9872291]

約数ペア:

[(1, 9872291), (11, 897481), (13, 759407), (17, 580723), (31, 318461), (131, 75361), (143, 69037), (187, 52793), (221, 44671), (341, 28951), (403, 24497), (527, 18733), (1441, 6851), (1703, 5797), (2227, 4433), (2431, 4061)]