209569129

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1327}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 267055488

約数和(自身を除く): 57486359

約数列:

[1, 7, 11, 49, 77, 293, 539, 1327, 2051, 3223, 9289, 14357, 14597, 22561, 65023, 102179, 157927, 388811, 715253, 2721677, 4276921, 19051739, 29938447, 209569129]

約数ペア:

[(1, 209569129), (7, 29938447), (11, 19051739), (49, 4276921), (77, 2721677), (293, 715253), (539, 388811), (1327, 157927), (2051, 102179), (3223, 65023), (9289, 22561), (14357, 14597)]