81145725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47041}}^1$

素因数の和:47077

約数の個数: 24

約数和(自身を含む): 139996992

約数和(自身を除く): 58851267

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 47041, 141123, 235205, 705615, 1081943, 1176025, 3245829, 3528075, 5409715, 16229145, 27048575, 81145725]

約数ペア:

[(1, 81145725), (3, 27048575), (5, 16229145), (15, 5409715), (23, 3528075), (25, 3245829), (69, 1176025), (75, 1081943), (115, 705615), (345, 235205), (575, 141123), (1725, 47041)]