1638962367

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{64661}}^1$

素因数の和:64759

約数の個数: 32

約数和(自身を含む): 2681662464

約数和(自身を除く): 1042700097

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8449, 25347, 64661, 193983, 452627, 1099237, 1357881, 3297711, 4590931, 7694659, 13772793, 23083977, 32136517, 78045827, 96409551, 234137481, 546320789, 1638962367]

約数ペア:

[(1, 1638962367), (3, 546320789), (7, 234137481), (17, 96409551), (21, 78045827), (51, 32136517), (71, 23083977), (119, 13772793), (213, 7694659), (357, 4590931), (497, 3297711), (1207, 1357881), (1491, 1099237), (3621, 452627), (8449, 193983), (25347, 64661)]