51239223

素因数分解:

$3^7\times 7^1\times {\mathrm{3347}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 87851520

約数和(自身を除く): 36612297

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 3347, 5103, 10041, 15309, 23429, 30123, 70287, 90369, 210861, 271107, 632583, 813321, 1897749, 2439963, 5693247, 7319889, 17079741, 51239223]

約数ペア:

[(1, 51239223), (3, 17079741), (7, 7319889), (9, 5693247), (21, 2439963), (27, 1897749), (63, 813321), (81, 632583), (189, 271107), (243, 210861), (567, 90369), (729, 70287), (1701, 30123), (2187, 23429), (3347, 15309), (5103, 10041)]