639635793

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{120937}}^1$

素因数の和:121024

約数の個数: 16

約数和(自身を含む): 893973696

約数和(自身を除く): 254337903

約数列:

[1, 3, 41, 43, 123, 129, 1763, 5289, 120937, 362811, 4958417, 5200291, 14875251, 15600873, 213211931, 639635793]

約数ペア:

[(1, 639635793), (3, 213211931), (41, 15600873), (43, 14875251), (123, 5200291), (129, 4958417), (1763, 362811), (5289, 120937)]