26281665

素因数分解:

$3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 47943168

約数和(自身を除く): 21661503

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 223, 243, 291, 405, 485, 669, 873, 1115, 1215, 1455, 2007, 2619, 3345, 4365, 6021, 7857, 10035, 13095, 18063, 21631, 23571, 30105, 39285, 54189, 64893, 90315, 108155, 117855, 194679, 270945, 324465, 584037, 973395, 1752111, 2920185, 5256333, 8760555, 26281665]

約数ペア:

[(1, 26281665), (3, 8760555), (5, 5256333), (9, 2920185), (15, 1752111), (27, 973395), (45, 584037), (81, 324465), (97, 270945), (135, 194679), (223, 117855), (243, 108155), (291, 90315), (405, 64893), (485, 54189), (669, 39285), (873, 30105), (1115, 23571), (1215, 21631), (1455, 18063), (2007, 13095), (2619, 10035), (3345, 7857), (4365, 6021)]