28931265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 55164096

約数和(自身を除く): 26232831

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 211, 277, 495, 633, 831, 1055, 1385, 1899, 2321, 2493, 3047, 3165, 4155, 6963, 9141, 9495, 11605, 12465, 15235, 20889, 27423, 34815, 45705, 58447, 104445, 137115, 175341, 292235, 526023, 642917, 876705, 1928751, 2630115, 3214585, 5786253, 9643755, 28931265]

約数ペア:

[(1, 28931265), (3, 9643755), (5, 5786253), (9, 3214585), (11, 2630115), (15, 1928751), (33, 876705), (45, 642917), (55, 526023), (99, 292235), (165, 175341), (211, 137115), (277, 104445), (495, 58447), (633, 45705), (831, 34815), (1055, 27423), (1385, 20889), (1899, 15235), (2321, 12465), (2493, 11605), (3047, 9495), (3165, 9141), (4155, 6963)]