13207779

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 22075872

約数和(自身を除く): 8868093

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 113, 117, 243, 333, 339, 351, 481, 999, 1017, 1053, 1443, 1469, 2997, 3051, 3159, 4181, 4329, 4407, 8991, 9153, 12543, 12987, 13221, 27459, 37629, 38961, 39663, 54353, 112887, 116883, 118989, 163059, 338661, 356967, 489177, 1015983, 1467531, 4402593, 13207779]

約数ペア:

[(1, 13207779), (3, 4402593), (9, 1467531), (13, 1015983), (27, 489177), (37, 356967), (39, 338661), (81, 163059), (111, 118989), (113, 116883), (117, 112887), (243, 54353), (333, 39663), (339, 38961), (351, 37629), (481, 27459), (999, 13221), (1017, 12987), (1053, 12543), (1443, 9153), (1469, 8991), (2997, 4407), (3051, 4329), (3159, 4181)]