257112141

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{811}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 403791360

約数和(自身を除く): 146679219

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 739, 811, 2217, 2433, 8129, 8921, 9607, 10543, 24387, 26763, 28821, 31629, 105677, 115973, 317031, 347919, 599329, 1797987, 6592619, 7791277, 19777857, 23373831, 85704047, 257112141]

約数ペア:

[(1, 257112141), (3, 85704047), (11, 23373831), (13, 19777857), (33, 7791277), (39, 6592619), (143, 1797987), (429, 599329), (739, 347919), (811, 317031), (2217, 115973), (2433, 105677), (8129, 31629), (8921, 28821), (9607, 26763), (10543, 24387)]