13920255

素因数分解:

$3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 26764800

約数和(自身を除く): 12844545

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 67, 81, 95, 135, 171, 201, 243, 285, 335, 405, 513, 603, 729, 855, 1005, 1215, 1273, 1539, 1809, 2187, 2565, 3015, 3645, 3819, 4617, 5427, 6365, 7695, 9045, 10935, 11457, 13851, 16281, 19095, 23085, 27135, 34371, 41553, 48843, 57285, 69255, 81405, 103113, 146529, 171855, 207765, 244215, 309339, 515565, 732645, 928017, 1546695, 2784051, 4640085, 13920255]

約数ペア:

[(1, 13920255), (3, 4640085), (5, 2784051), (9, 1546695), (15, 928017), (19, 732645), (27, 515565), (45, 309339), (57, 244215), (67, 207765), (81, 171855), (95, 146529), (135, 103113), (171, 81405), (201, 69255), (243, 57285), (285, 48843), (335, 41553), (405, 34371), (513, 27135), (603, 23085), (729, 19095), (855, 16281), (1005, 13851), (1215, 11457), (1273, 10935), (1539, 9045), (1809, 7695), (2187, 6365), (2565, 5427), (3015, 4617), (3645, 3819)]