248946243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6961}}^1$

素因数の和:7115

約数の個数: 32

約数和(自身を含む): 411704832

約数和(自身を除く): 162758589

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 917, 1703, 2751, 5109, 6961, 11921, 20883, 35763, 48727, 90493, 146181, 271479, 633451, 911891, 1900353, 2735673, 6383237, 11854583, 19149711, 35563749, 82982081, 248946243]

約数ペア:

[(1, 248946243), (3, 82982081), (7, 35563749), (13, 19149711), (21, 11854583), (39, 6383237), (91, 2735673), (131, 1900353), (273, 911891), (393, 633451), (917, 271479), (1703, 146181), (2751, 90493), (5109, 48727), (6961, 35763), (11921, 20883)]