78804537

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2063}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 128397312

約数和(自身を除く): 49592775

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2063, 2247, 5457, 6189, 12733, 14441, 35071, 38199, 43323, 105213, 220741, 245497, 662223, 736491, 1545187, 3752597, 4635561, 11257791, 26268179, 78804537]

約数ペア:

[(1, 78804537), (3, 26268179), (7, 11257791), (17, 4635561), (21, 3752597), (51, 1545187), (107, 736491), (119, 662223), (321, 245497), (357, 220741), (749, 105213), (1819, 43323), (2063, 38199), (2247, 35071), (5457, 14441), (6189, 12733)]