7638813

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3138

約数の個数: 32

約数和(自身を含む): 13932800

約数和(自身を除く): 6293987

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 3109, 9327, 21763, 27981, 40417, 65289, 83943, 121251, 195867, 282919, 363753, 587601, 848757, 1091259, 2546271, 7638813]

約数ペア:

[(1, 7638813), (3, 2546271), (7, 1091259), (9, 848757), (13, 587601), (21, 363753), (27, 282919), (39, 195867), (63, 121251), (91, 83943), (117, 65289), (189, 40417), (273, 27981), (351, 21763), (819, 9327), (2457, 3109)]