25508307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 12876333

約数列:

[1, 3, 11, 33, 67, 83, 139, 201, 249, 417, 737, 913, 1529, 2211, 2739, 4587, 5561, 9313, 11537, 16683, 27939, 34611, 61171, 102443, 126907, 183513, 307329, 380721, 772979, 2318937, 8502769, 25508307]

約数ペア:

[(1, 25508307), (3, 8502769), (11, 2318937), (33, 772979), (67, 380721), (83, 307329), (139, 183513), (201, 126907), (249, 102443), (417, 61171), (737, 34611), (913, 27939), (1529, 16683), (2211, 11537), (2739, 9313), (4587, 5561)]