51115779

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 90015744

約数和(自身を除く): 38899965

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 243, 297, 351, 429, 891, 1053, 1287, 1471, 2673, 3159, 3861, 4413, 11583, 13239, 16181, 19123, 34749, 39717, 48543, 57369, 119151, 145629, 172107, 210353, 357453, 436887, 516321, 631059, 1310661, 1548963, 1893177, 3931983, 4646889, 5679531, 17038593, 51115779]

約数ペア:

[(1, 51115779), (3, 17038593), (9, 5679531), (11, 4646889), (13, 3931983), (27, 1893177), (33, 1548963), (39, 1310661), (81, 631059), (99, 516321), (117, 436887), (143, 357453), (243, 210353), (297, 172107), (351, 145629), (429, 119151), (891, 57369), (1053, 48543), (1287, 39717), (1471, 34749), (2673, 19123), (3159, 16181), (3861, 13239), (4413, 11583)]