200520075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{381943}}^1$

素因数の和:381963

約数の個数: 24

約数和(自身を含む): 378888448

約数和(自身を除く): 178368373

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 381943, 1145829, 1909715, 2673601, 5729145, 8020803, 9548575, 13368005, 28645725, 40104015, 66840025, 200520075]

約数ペア:

[(1, 200520075), (3, 66840025), (5, 40104015), (7, 28645725), (15, 13368005), (21, 9548575), (25, 8020803), (35, 5729145), (75, 2673601), (105, 1909715), (175, 1145829), (525, 381943)]