72991081

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3312

約数の個数: 16

約数和(自身を含む): 81658368

約数和(自身を除く): 8667287

約数列:

[1, 17, 31, 43, 527, 731, 1333, 3221, 22661, 54757, 99851, 138503, 1697467, 2354551, 4293593, 72991081]

約数ペア:

[(1, 72991081), (17, 4293593), (31, 2354551), (43, 1697467), (527, 138503), (731, 99851), (1333, 54757), (3221, 22661)]