2480775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 4666368

約数和(自身を除く): 2185593

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 97, 155, 165, 275, 291, 341, 465, 485, 775, 825, 1023, 1067, 1455, 1705, 2325, 2425, 3007, 3201, 5115, 5335, 7275, 8525, 9021, 15035, 16005, 25575, 26675, 33077, 45105, 75175, 80025, 99231, 165385, 225525, 496155, 826925, 2480775]

約数ペア:

[(1, 2480775), (3, 826925), (5, 496155), (11, 225525), (15, 165385), (25, 99231), (31, 80025), (33, 75175), (55, 45105), (75, 33077), (93, 26675), (97, 25575), (155, 16005), (165, 15035), (275, 9021), (291, 8525), (341, 7275), (465, 5335), (485, 5115), (775, 3201), (825, 3007), (1023, 2425), (1067, 2325), (1455, 1705)]