81348575

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6037}}^1$

素因数の和:6072

約数の個数: 36

約数和(自身を含む): 128029752

約数和(自身を除く): 46681177

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1925, 2695, 6037, 13475, 30185, 42259, 66407, 150925, 211295, 295813, 332035, 464849, 1056475, 1479065, 1660175, 2324245, 3253943, 7395325, 11621225, 16269715, 81348575]

約数ペア:

[(1, 81348575), (5, 16269715), (7, 11621225), (11, 7395325), (25, 3253943), (35, 2324245), (49, 1660175), (55, 1479065), (77, 1056475), (175, 464849), (245, 332035), (275, 295813), (385, 211295), (539, 150925), (1225, 66407), (1925, 42259), (2695, 30185), (6037, 13475)]