80784249

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1487}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 133324800

約数和(自身を除く): 52540551

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 597, 1393, 1487, 2587, 4179, 4461, 7761, 10409, 18109, 19331, 31227, 54327, 57993, 135317, 295913, 405951, 887739, 2071391, 3846869, 6214173, 11540607, 26928083, 80784249]

約数ペア:

[(1, 80784249), (3, 26928083), (7, 11540607), (13, 6214173), (21, 3846869), (39, 2071391), (91, 887739), (199, 405951), (273, 295913), (597, 135317), (1393, 57993), (1487, 54327), (2587, 31227), (4179, 19331), (4461, 18109), (7761, 10409)]