78889232121

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{638123}}^1$

素因数の和:638198

約数の個数: 36

約数和(自身を含む): 126723768912

約数和(自身を除く): 47834536791

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 841, 1421, 2523, 4263, 5887, 17661, 41209, 123627, 638123, 1914369, 4466861, 13400583, 18505567, 31268027, 55516701, 93804081, 129538969, 388616907, 536661443, 906772783, 1609984329, 2720318349, 3756630101, 11269890303, 26296410707, 78889232121]

約数ペア:

[(1, 78889232121), (3, 26296410707), (7, 11269890303), (21, 3756630101), (29, 2720318349), (49, 1609984329), (87, 906772783), (147, 536661443), (203, 388616907), (609, 129538969), (841, 93804081), (1421, 55516701), (2523, 31268027), (4263, 18505567), (5887, 13400583), (17661, 4466861), (41209, 1914369), (123627, 638123)]