205253475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{390959}}^1$

素因数の和:390979

約数の個数: 24

約数和(自身を含む): 387832320

約数和(自身を除く): 182578845

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 390959, 1172877, 1954795, 2736713, 5864385, 8210139, 9773975, 13683565, 29321925, 41050695, 68417825, 205253475]

約数ペア:

[(1, 205253475), (3, 68417825), (5, 41050695), (7, 29321925), (15, 13683565), (21, 9773975), (25, 8210139), (35, 5864385), (75, 2736713), (105, 1954795), (175, 1172877), (525, 390959)]