489776091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8831}}^1$

素因数の和:8999

約数の個数: 32

約数和(自身を含む): 791347200

約数和(自身を除く): 301571109

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 2641, 2919, 7923, 8831, 18487, 26493, 55461, 61817, 167789, 185451, 503367, 1174523, 1227509, 3523569, 3682527, 8592563, 23322671, 25777689, 69968013, 163258697, 489776091]

約数ペア:

[(1, 489776091), (3, 163258697), (7, 69968013), (19, 25777689), (21, 23322671), (57, 8592563), (133, 3682527), (139, 3523569), (399, 1227509), (417, 1174523), (973, 503367), (2641, 185451), (2919, 167789), (7923, 61817), (8831, 55461), (18487, 26493)]