25686315

素因数分解:

$3^{11}\times 5^1\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 47829600

約数和(自身を除く): 22143285

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 729, 783, 1215, 1305, 2187, 2349, 3645, 3915, 6561, 7047, 10935, 11745, 19683, 21141, 32805, 35235, 59049, 63423, 98415, 105705, 177147, 190269, 295245, 317115, 570807, 885735, 951345, 1712421, 2854035, 5137263, 8562105, 25686315]

約数ペア:

[(1, 25686315), (3, 8562105), (5, 5137263), (9, 2854035), (15, 1712421), (27, 951345), (29, 885735), (45, 570807), (81, 317115), (87, 295245), (135, 190269), (145, 177147), (243, 105705), (261, 98415), (405, 63423), (435, 59049), (729, 35235), (783, 32805), (1215, 21141), (1305, 19683), (2187, 11745), (2349, 10935), (3645, 7047), (3915, 6561)]