2557725

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 4300320

約数和(自身を除く): 1742595

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 509, 1005, 1527, 1675, 2545, 5025, 7635, 12725, 34103, 38175, 102309, 170515, 511545, 852575, 2557725]

約数ペア:

[(1, 2557725), (3, 852575), (5, 511545), (15, 170515), (25, 102309), (67, 38175), (75, 34103), (201, 12725), (335, 7635), (509, 5025), (1005, 2545), (1527, 1675)]