1621163649

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{3559}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 2506240000

約数和(自身を除く): 885076351

約数列:

[1, 3, 7, 21, 109, 199, 327, 597, 763, 1393, 2289, 3559, 4179, 10677, 21691, 24913, 65073, 74739, 151837, 387931, 455511, 708241, 1163793, 2124723, 2715517, 4957687, 8146551, 14873061, 77198269, 231594807, 540387883, 1621163649]

約数ペア:

[(1, 1621163649), (3, 540387883), (7, 231594807), (21, 77198269), (109, 14873061), (199, 8146551), (327, 4957687), (597, 2715517), (763, 2124723), (1393, 1163793), (2289, 708241), (3559, 455511), (4179, 387931), (10677, 151837), (21691, 74739), (24913, 65073)]