639396093

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{53323}}^1$

素因数の和:53904

約数の個数: 16

約数和(自身を含む): 976042496

約数和(自身を除く): 336646403

約数列:

[1, 3, 7, 21, 571, 1713, 3997, 11991, 53323, 159969, 373261, 1119783, 30447433, 91342299, 213132031, 639396093]

約数ペア:

[(1, 639396093), (3, 213132031), (7, 91342299), (21, 30447433), (571, 1119783), (1713, 373261), (3997, 159969), (11991, 53323)]