520305513

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{2579}}^1$

素因数の和:3341

約数の個数: 32

約数和(自身を含む): 855321600

約数和(自身を除く): 335016087

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 739, 2217, 2579, 5173, 7737, 9607, 15519, 18053, 28821, 33527, 54159, 67249, 100581, 201747, 234689, 704067, 1905881, 5717643, 13341167, 24776453, 40023501, 74329359, 173435171, 520305513]

約数ペア:

[(1, 520305513), (3, 173435171), (7, 74329359), (13, 40023501), (21, 24776453), (39, 13341167), (91, 5717643), (273, 1905881), (739, 704067), (2217, 234689), (2579, 201747), (5173, 100581), (7737, 67249), (9607, 54159), (15519, 33527), (18053, 28821)]