686904045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2\times {\mathrm{157}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 1153617408

約数和(自身を除く): 466713363

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 157, 291, 465, 471, 485, 785, 1455, 2355, 3007, 4867, 9021, 9409, 14601, 15035, 15229, 24335, 28227, 45105, 45687, 47045, 73005, 76145, 141135, 228435, 291679, 472099, 875037, 1416297, 1458395, 1477213, 2360495, 4375185, 4431639, 7081485, 7386065, 22158195, 45793603, 137380809, 228968015, 686904045]

約数ペア:

[(1, 686904045), (3, 228968015), (5, 137380809), (15, 45793603), (31, 22158195), (93, 7386065), (97, 7081485), (155, 4431639), (157, 4375185), (291, 2360495), (465, 1477213), (471, 1458395), (485, 1416297), (785, 875037), (1455, 472099), (2355, 291679), (3007, 228435), (4867, 141135), (9021, 76145), (9409, 73005), (14601, 47045), (15035, 45687), (15229, 45105), (24335, 28227)]