87211725

素因数分解:

$3^1\times 5^2\times {\mathrm{797}}^1\times {\mathrm{1459}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 144469920

約数和(自身を除く): 57258195

約数列:

[1, 3, 5, 15, 25, 75, 797, 1459, 2391, 3985, 4377, 7295, 11955, 19925, 21885, 36475, 59775, 109425, 1162823, 3488469, 5814115, 17442345, 29070575, 87211725]

約数ペア:

[(1, 87211725), (3, 29070575), (5, 17442345), (15, 5814115), (25, 3488469), (75, 1162823), (797, 109425), (1459, 59775), (2391, 36475), (3985, 21885), (4377, 19925), (7295, 11955)]