26880381

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 17598339

約数列:

[1, 3, 9, 11, 33, 47, 53, 99, 109, 141, 159, 327, 423, 477, 517, 583, 981, 1199, 1551, 1749, 2491, 3597, 4653, 5123, 5247, 5777, 7473, 10791, 15369, 17331, 22419, 27401, 46107, 51993, 56353, 63547, 82203, 169059, 190641, 246609, 271519, 507177, 571923, 814557, 2443671, 2986709, 8960127, 26880381]

約数ペア:

[(1, 26880381), (3, 8960127), (9, 2986709), (11, 2443671), (33, 814557), (47, 571923), (53, 507177), (99, 271519), (109, 246609), (141, 190641), (159, 169059), (327, 82203), (423, 63547), (477, 56353), (517, 51993), (583, 46107), (981, 27401), (1199, 22419), (1551, 17331), (1749, 15369), (2491, 10791), (3597, 7473), (4653, 5777), (5123, 5247)]