27800025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 51806208

約数和(自身を除く): 24006183

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 155, 165, 275, 341, 465, 775, 825, 1023, 1087, 1705, 2325, 3261, 5115, 5435, 8525, 11957, 16305, 25575, 27175, 33697, 35871, 59785, 81525, 101091, 168485, 179355, 298925, 370667, 505455, 842425, 896775, 1112001, 1853335, 2527275, 5560005, 9266675, 27800025]

約数ペア:

[(1, 27800025), (3, 9266675), (5, 5560005), (11, 2527275), (15, 1853335), (25, 1112001), (31, 896775), (33, 842425), (55, 505455), (75, 370667), (93, 298925), (155, 179355), (165, 168485), (275, 101091), (341, 81525), (465, 59785), (775, 35871), (825, 33697), (1023, 27175), (1087, 25575), (1705, 16305), (2325, 11957), (3261, 8525), (5115, 5435)]