28047375

素因数分解:

$3^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 51251616

約数和(自身を除く): 23204241

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 125, 225, 233, 321, 375, 535, 699, 963, 1125, 1165, 1605, 2097, 2675, 3495, 4815, 5825, 8025, 10485, 13375, 17475, 24075, 24931, 29125, 40125, 52425, 74793, 87375, 120375, 124655, 224379, 262125, 373965, 623275, 1121895, 1869825, 3116375, 5609475, 9349125, 28047375]

約数ペア:

[(1, 28047375), (3, 9349125), (5, 5609475), (9, 3116375), (15, 1869825), (25, 1121895), (45, 623275), (75, 373965), (107, 262125), (125, 224379), (225, 124655), (233, 120375), (321, 87375), (375, 74793), (535, 52425), (699, 40125), (963, 29125), (1125, 24931), (1165, 24075), (1605, 17475), (2097, 13375), (2675, 10485), (3495, 8025), (4815, 5825)]