66947979

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 106237440

約数和(自身を除く): 39289461

約数列:

[1, 3, 7, 21, 29, 87, 203, 211, 521, 609, 633, 1477, 1563, 3647, 4431, 6119, 10941, 15109, 18357, 42833, 45327, 105763, 109931, 128499, 317289, 329793, 769517, 2308551, 3187999, 9563997, 22315993, 66947979]

約数ペア:

[(1, 66947979), (3, 22315993), (7, 9563997), (21, 3187999), (29, 2308551), (87, 769517), (203, 329793), (211, 317289), (521, 128499), (609, 109931), (633, 105763), (1477, 45327), (1563, 42833), (3647, 18357), (4431, 15109), (6119, 10941)]