205122813

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 317509632

約数和(自身を除く): 112386819

約数列:

[1, 3, 7, 21, 131, 173, 393, 431, 519, 917, 1211, 1293, 2751, 3017, 3633, 9051, 22663, 56461, 67989, 74563, 158641, 169383, 223689, 395227, 475923, 521941, 1185681, 1565823, 9767753, 29303259, 68374271, 205122813]

約数ペア:

[(1, 205122813), (3, 68374271), (7, 29303259), (21, 9767753), (131, 1565823), (173, 1185681), (393, 521941), (431, 475923), (519, 395227), (917, 223689), (1211, 169383), (1293, 158641), (2751, 74563), (3017, 67989), (3633, 56461), (9051, 22663)]