201722997

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 313657344

約数和(自身を除く): 111934347

約数列:

[1, 3, 7, 21, 67, 201, 311, 461, 469, 933, 1383, 1407, 2177, 3227, 6531, 9681, 20837, 30887, 62511, 92661, 143371, 145859, 216209, 430113, 437577, 648627, 1003597, 3010791, 9605857, 28817571, 67240999, 201722997]

約数ペア:

[(1, 201722997), (3, 67240999), (7, 28817571), (21, 9605857), (67, 3010791), (201, 1003597), (311, 648627), (461, 437577), (469, 430113), (933, 216209), (1383, 145859), (1407, 143371), (2177, 92661), (3227, 62511), (6531, 30887), (9681, 20837)]