25897137

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 43699392

約数和(自身を除く): 17802255

約数列:

[1, 3, 7, 17, 21, 43, 49, 51, 119, 129, 147, 241, 301, 357, 723, 731, 833, 903, 1687, 2107, 2193, 2499, 4097, 5061, 5117, 6321, 10363, 11809, 12291, 15351, 28679, 31089, 35427, 35819, 72541, 86037, 107457, 176171, 200753, 217623, 507787, 528513, 602259, 1233197, 1523361, 3699591, 8632379, 25897137]

約数ペア:

[(1, 25897137), (3, 8632379), (7, 3699591), (17, 1523361), (21, 1233197), (43, 602259), (49, 528513), (51, 507787), (119, 217623), (129, 200753), (147, 176171), (241, 107457), (301, 86037), (357, 72541), (723, 35819), (731, 35427), (833, 31089), (903, 28679), (1687, 15351), (2107, 12291), (2193, 11809), (2499, 10363), (4097, 6321), (5061, 5117)]