202128213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7561}}^1$

素因数の和:7657

約数の個数: 32

約数和(自身を含む): 329098240

約数和(自身を除く): 126970027

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 3819, 7561, 8911, 22683, 26733, 52927, 143659, 158781, 430977, 506587, 1005613, 1519761, 3016839, 3546109, 9625153, 10638327, 28875459, 67376071, 202128213]

約数ペア:

[(1, 202128213), (3, 67376071), (7, 28875459), (19, 10638327), (21, 9625153), (57, 3546109), (67, 3016839), (133, 1519761), (201, 1005613), (399, 506587), (469, 430977), (1273, 158781), (1407, 143659), (3819, 52927), (7561, 26733), (8911, 22683)]