27808275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 51568128

約数和(自身を除く): 23759853

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 555, 825, 911, 925, 1221, 2035, 2733, 2775, 4555, 6105, 10021, 10175, 13665, 22775, 30063, 30525, 33707, 50105, 68325, 101121, 150315, 168535, 250525, 370777, 505605, 751575, 842675, 1112331, 1853885, 2528025, 5561655, 9269425, 27808275]

約数ペア:

[(1, 27808275), (3, 9269425), (5, 5561655), (11, 2528025), (15, 1853885), (25, 1112331), (33, 842675), (37, 751575), (55, 505605), (75, 370777), (111, 250525), (165, 168535), (185, 150315), (275, 101121), (407, 68325), (555, 50105), (825, 33707), (911, 30525), (925, 30063), (1221, 22775), (2035, 13665), (2733, 10175), (2775, 10021), (4555, 6105)]