2405025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{509}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 5059200

約数和(自身を除く): 2654175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 509, 525, 675, 945, 1527, 1575, 2545, 3563, 4581, 4725, 7635, 10689, 12725, 13743, 17815, 22905, 32067, 38175, 53445, 68715, 89075, 96201, 114525, 160335, 267225, 343575, 481005, 801675, 2405025]

約数ペア:

[(1, 2405025), (3, 801675), (5, 481005), (7, 343575), (9, 267225), (15, 160335), (21, 114525), (25, 96201), (27, 89075), (35, 68715), (45, 53445), (63, 38175), (75, 32067), (105, 22905), (135, 17815), (175, 13743), (189, 12725), (225, 10689), (315, 7635), (509, 4725), (525, 4581), (675, 3563), (945, 2545), (1527, 1575)]