15215739

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 25497600

約数和(自身を除く): 10281861

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 331, 597, 993, 1393, 2189, 2317, 3641, 4179, 6567, 6951, 10923, 15323, 25487, 45969, 65869, 76461, 197607, 461083, 724559, 1383249, 2173677, 5071913, 15215739]

約数ペア:

[(1, 15215739), (3, 5071913), (7, 2173677), (11, 1383249), (21, 724559), (33, 461083), (77, 197607), (199, 76461), (231, 65869), (331, 45969), (597, 25487), (993, 15323), (1393, 10923), (2189, 6951), (2317, 6567), (3641, 4179)]