9907779

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 16026624

約数和(自身を除く): 6118845

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 281, 483, 511, 843, 1533, 1679, 1967, 5037, 5901, 6463, 11753, 19389, 20513, 35259, 45241, 61539, 135723, 143591, 430773, 471799, 1415397, 3302593, 9907779]

約数ペア:

[(1, 9907779), (3, 3302593), (7, 1415397), (21, 471799), (23, 430773), (69, 143591), (73, 135723), (161, 61539), (219, 45241), (281, 35259), (483, 20513), (511, 19389), (843, 11753), (1533, 6463), (1679, 5901), (1967, 5037)]