401388771

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 620032000

約数和(自身を除く): 218643229

約数列:

[1, 3, 7, 21, 139, 199, 417, 597, 691, 973, 1393, 2073, 2919, 4179, 4837, 14511, 27661, 82983, 96049, 137509, 193627, 288147, 412527, 580881, 672343, 962563, 2017029, 2887689, 19113751, 57341253, 133796257, 401388771]

約数ペア:

[(1, 401388771), (3, 133796257), (7, 57341253), (21, 19113751), (139, 2887689), (199, 2017029), (417, 962563), (597, 672343), (691, 580881), (973, 412527), (1393, 288147), (2073, 193627), (2919, 137509), (4179, 96049), (4837, 82983), (14511, 27661)]