25721847

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 39936000

約数和(自身を除く): 14214153

約数列:

[1, 3, 9, 27, 31, 79, 93, 237, 279, 389, 711, 837, 1167, 2133, 2449, 3501, 7347, 10503, 12059, 22041, 30731, 36177, 66123, 92193, 108531, 276579, 325593, 829737, 952661, 2857983, 8573949, 25721847]

約数ペア:

[(1, 25721847), (3, 8573949), (9, 2857983), (27, 952661), (31, 829737), (79, 325593), (93, 276579), (237, 108531), (279, 92193), (389, 66123), (711, 36177), (837, 30731), (1167, 22041), (2133, 12059), (2449, 10503), (3501, 7347)]